wa-public-works-records

RICHLAND SCHOOL DISTRICT #400 — public works contracts

2,026 public works projects and 3,679 intents to pay prevailing wages name RICHLAND SCHOOL DISTRICT #400 as the awarding agency, in the L&I file of Oct 1, 2026. L&I classes it as: School District.

Bidding, hiring a subcontractor or checking a competitor? A dated public works report ($19) on one contractor — or an agency's awards, every month.

Intents filed, by year

2017201820192020202120222023202420252026
30018122024928534025828211386

Latest contracts (200)

Intent filedContractPrime contractorAmount declared
Sep 29, 2026Marcus Whitman Tree
RG270538
Boyd's Tree Service LLC$7,480
Sep 28, 20261219 Thayer Drive- roofIMPERVIOUS COATINGS LLC$55,456
Aug 27, 2026Installation of shade structure at Jason Lee
PG261525
PARK N PLAY NORTHWEST LLC$54,288
Aug 25, 2026Hanford HS Gym Speakers
25004
TED BROWN MUSIC CO$30,510
Aug 25, 2026Enterprise MS Track
4153859
BEYNON SPORTS SURFACES INC$460,164
Aug 13, 2026Richland School District Summer Hoods
PG270005
PRINGLES POWER VAC INC$18,039
Aug 13, 2026Richland School District Summer Dryers Vent Cleanings
PG270070
PRINGLES POWER VAC INC$12,947
Aug 6, 2026Wiley Elementary Mastic and Crack Seal
PG261573
COLUMBIA SWEEPING SERVICE INC$15,306
Aug 6, 2026Enterprise Middle School Crack Seal
PG261572
COLUMBIA SWEEPING SERVICE INC$7,368
Jul 30, 2026Belmont Elem/Desert Sky
344483825
KONE INC$15,606
Jul 22, 2026Richland HS Bleacher Seat Replacement
PG270017
NWAP INC$49,651
Jul 21, 2026RHS rooms 1030,1031
07152027
INNOVATIVE SURFACE SOLUTNS LLC$35,597
Jul 21, 2026Richland Highschool autoshop floor repaint
07152026
INNOVATIVE SURFACE SOLUTNS LLC$77,918
Jul 9, 2026Wiley Shed Re-Roof
PG261406
ALPINE ROOFING$5,218
Jul 8, 2026RSD - Compressor Replacement
138807
TOTAL ENGY MGT & HVAC SERV INC$49,511
Jun 30, 2026Misc. playground repairs at WWE, JEF, JLE, BME, and LCE.
PG261341
CADILLAC LAWN CARE INC$11,315
Jun 10, 2026RSD - ELC Building
137750
TOTAL ENGY MGT & HVAC SERV INC$9,452
Jun 4, 202626-11409 Richland SD Carmichael MS IPVS Addition
PG261388
Ednetics Inc$4,452
Jun 3, 202626-11397 Richland SD District IPVS Replacements
PG261381
Ednetics Inc$28,373
May 29, 2026Janitorial Gym Floor Maintenance
PG261147
A HIGHER PLANE INC$11,203
May 28, 2026RHS Tree Removal
PG261369
TOP TREE SERVICE LLC$6,277
May 5, 2026BADGER MOUNTAIN ELEMENTARY
RG261213
TRANE$59,677
Apr 24, 2026White Bluff Circuit Repair
RG261214
TRANE$41,226
Apr 22, 2026Compactor Service
2026 Compactor Service
SOLID WASTE SYSTEMS INC—
Apr 22, 2026Install Banner Radios
4491
SCHNEIDER EQUIPMENT INC$17,272
Apr 13, 2026White Bluffs South PG 2 Slide Replacement
PG261188
CADILLAC LAWN CARE INC$6,746
Apr 13, 2026chief joesph classrooms 110, 112
PG261166
INNOVATIVE SURFACE SOLUTNS LLC$17,570
Apr 7, 2026Desert Sky Elementary Condenser Fan Replacement
PG260999
TRANE$59,677
Apr 6, 2026(title withheld)
RG261324
COLUMBIA SWEEPING SERVICE INC$21,599
Mar 25, 2026Desert Sky Elementary Condenser Fan Replacement
PG260999
TRANE$10,795
Mar 13, 2026Richland SD Gym Equip Maint
PG261086
NWAP INC$44,230
Mar 13, 2026Richland SD HS Bleacher Maint
PG261084
NWAP INC$18,653
Mar 13, 2026Richland SD MS & Elem Bleacher Maint
PG261088
NWAP INC$15,968
Mar 13, 2026Richland SD OpWall Maint
PG261087
NWAP INC$30,980
Mar 9, 2026Richland SD Grandstand Maint
per Brad Anderson
NWAP INC$15,468
Mar 4, 2026(title withheld)
PG261013
JIM PURSWELL'S PUMP CO INC—
Feb 27, 2026Jason Lee Kinder Structure
PG261018
CADILLAC LAWN CARE INC$29,132
Feb 3, 2026Access Control System Door additions
PC260077
EVCO SOUND & ELECTRONICS INC$14,002
Jan 30, 2026District Repairs
E-1036
NORTHWEST ATHLTC SFTY SVCS INC$6,794
Jan 28, 2026Desert Sky Elementary Condenser Fan Replacement
8320027
TRANE$19,848
Jan 8, 2026Richland High School Gym
PG260383
KONE INC$13,415
Dec 8, 2025RSD JEFFERSON ELEM 2
N/A
BELFOR USA GROUP INC$5,000
Nov 20, 2025Chief Joseph Middle School DW Repair
9041159 9008265 9008292 9008318
HOBART—
Nov 19, 2025Carmichael Middle School Dishwasher Install
Richland: RG260266 Bargreen: 8109832
HOBART$14,222
Nov 12, 2025motor is loud and damaged
Carmichael Middle School
HOBART$743
Nov 12, 2025unit shutting off
Chief Joseph Middle School
HOBART$666
Nov 12, 2025(title withheld)
Carmichael Middle School
HOBART$558
Nov 6, 2025William Wiley ES Crack Seal/Mastic Services
PG260664
COLUMBIA SWEEPING SERVICE INC$8,261
Oct 24, 2025RHS ACM Replacements
PB260459
APOLLO MECHANICAL CONTRACTORS$24,213
Oct 15, 2025Repair well pump for irrigation
Storage Building
LAYNE OF WASHINGTON INC$10,359
Oct 9, 2025RSD CARMICHAEL MS 2
N/A
BELFOR USA GROUP INC$2,000
Oct 9, 2025Richland SD Chief Joseph MS-SR59743708 Inv53408079
PG251694
JOHNSON CONTROLS FIRE PRTTN LP$2,380
Oct 3, 2025White Bluffs Repair
25-11667706
TRANE$5,520
Oct 1, 2025RDS - ELC Building
134867
TOTAL ENGY MGT & HVAC SERV INC$3,247
Sep 11, 2025Rives Edge Restroom
PC260044
PACIFIC MOBILE STRUCTURES INC$10,356
Sep 10, 2025Desert Sky Elem Backstop Repairs
PG260311
NWAP INC$5,750
Jul 31, 202525-10462 Richland SD Data Center Refresh
PC250113
Ednetics Inc$183,286
Jul 22, 2025School Kitchen Hoods
PG251644
PRINGLES POWER VAC INC$17,502
Jul 22, 2025Wood Shops
RG260026
PRINGLES POWER VAC INC$2,554
Jul 15, 2025RHS Cafeteria & Aux Gym
PA250698
TED BROWN MUSIC CO$24,235
Jul 14, 2025E-Rate Network Cabling - Various Schools
FRN 2599034539
INTERWEST TECHNOLOGY SYS INC$508,815
Jul 3, 2025White Bluffs ES Gym Floor Sanding
RG260009
A HIGHER PLANE INC$24,952
Jun 24, 2025Grounds Building Hanford High School
170444521.2
Rattlesnake Companies LLC$240,057
Jun 12, 2025Richland MS Elem BL 5135
Anderson 5135
NORTHWEST INSTALLATION ENT INC$18,434
Jun 3, 2025HANFORD HIGH SCHOOL new door circuit board
PG251374
KONE INC$8,999
Jun 3, 2025Hanford High School Irrigation Project
n/a
SHARPE/PRESZLER CONS CO INC$79,531
May 29, 2025Richland Outdoor 5127
Roth 5127
NORTHWEST INSTALLATION ENT INC$26,213
Apr 24, 2025Richland SD - Hanford High School
RG251666/SR# 58940056
JOHNSON CONTROLS FIRE PRTTN LP$5,415
Apr 15, 2025AE Service 2025
PG251288
NORTHWEST ATHLTC SFTY SVCS INC$28,471
Apr 10, 2025Janitorial Gym Floor Maintenance
PG251402
A HIGHER PLANE INC$11,203
Mar 28, 2025Richland SD 5102 HS Maint 2025
PG251235
NORTHWEST INSTALLATION ENT INC$22,100
Mar 20, 2025Sacajawea Stepping Pods Repair
PG251347
CADILLAC LAWN CARE INC$2,690
Mar 17, 2025RICHLAND HIGH SCHOOL
PG250415-57753838
JOHNSON CONTROLS FIRE PRTTN LP$1,270
Feb 4, 2025DS HS Repairs
00000000
NORTHWEST ATHLTC SFTY SVCS INC$3,533
Jan 28, 2025Lewis & Clark Elementary Wall Repair
PG251137
SIEFKEN & SONS CONST INC$89,368
Jan 16, 2025Tapteal ELC Standalone Play Equipment
PG251093
CADILLAC LAWN CARE INC$5,435
Dec 26, 2024Hanford Woodshop
N/A
PRINGLES POWER VAC INC$1,304
Dec 19, 2024Hanford High Shed Demolition
Shed Demolition
RAY POLAND & SONS INC$15,500
Dec 19, 2024Carmichael & Richland High WAPs
38346 38386
INTERWEST TECHNOLOGY SYS INC$32,692
Dec 19, 2024ELC Sacajawea White Bluffs WAPs
38344 38342 38341
INTERWEST TECHNOLOGY SYS INC$32,518
Dec 19, 2024(title withheld)
38339
INTERWEST TECHNOLOGY SYS INC$15,020
Dec 19, 2024Hanford High & Orchard WAPs
38347 38345
INTERWEST TECHNOLOGY SYS INC$32,274
Dec 19, 2024(title withheld)
38324 38340
INTERWEST TECHNOLOGY SYS INC$33,380
Dec 16, 202424-01909 Richland SD District Vestibule IPVS Adds
PC250037
Ednetics Inc$70,356
Dec 13, 2024District Repairs 2024
PG250515
NORTHWEST ATHLTC SFTY SVCS INC$6,793
Dec 6, 2024HANFORD HIGH SCHOOL 3
N/A
BELFOR USA GROUP INC$5,000
Dec 6, 2024Bus Barn Gate
PG250967
ALOHA GARAGE DOOR COMPANY INC$7,493
Nov 15, 2024RTAC Control Panel Retrofit
23-6283520
TRANE$8,996
Oct 28, 2024Chief Joseph Cat 6 cabling
RC200044
INTERWEST TECHNOLOGY SYS INC—
Oct 28, 2024Marcus Whitman WAPs
S33685
INTERWEST TECHNOLOGY SYS INC—
Oct 28, 2024(title withheld)
S33684
INTERWEST TECHNOLOGY SYS INC—
Oct 17, 2024Leona Libby MS fire panel downEVCO SOUND & ELECTRONICS INC$12,935
Oct 1, 2024Badger Mountain - Shades
4146103
NORTHWEST PLAYGROUND EQUIP INC$47,726
Sep 3, 202424-01627 Richland SD Richland HS Gym IPVS Upgrade
PG250410
Ednetics Inc$3,921
Aug 30, 20242024 Kitechen Equipment Reapirs/Maint
2024 Kitechen Equipment Reapirs/Maint
HOBART—
Aug 27, 2024Wiley Elementary Floor Repair
PG250014
CRAFTSMAN CABINETS & FLOORING$1,603
Aug 27, 2024TLAC HP-1B Coil Replacement
PG250085
TOTAL ENGY MGT & HVAC SERV INC$14,596
Aug 23, 2024Richland SD Enterprise
RG241846
JOHNSON CONTROLS FIRE PRTTN LP$609
Aug 23, 2024Richland SD Carmichael
Brad Anderson
JOHNSON CONTROLS FIRE PRTTN LP$604
Aug 23, 2024Richland S D Enterprise
RG241846
JOHNSON CONTROLS FIRE PRTTN LP$916
Aug 21, 202424-01609 Richland SD District Network Storage Add
PC240176
Ednetics Inc$104,234
Aug 19, 2024RHS Gym Speakers
PA240624
TED BROWN MUSIC CO$30,736
Aug 9, 2024Treatment of all trees with a systemic insecticide and fungicide
PG250017
SENSKE LAWN & TREE CARE INC$41,873
Aug 6, 2024OES Bounce Button Repairs
RG250133
CADILLAC LAWN CARE INC$2,179
Jul 31, 2024Grease Trap Services
PG232324
BAKER COMMODITIES INC$11,087
Jul 10, 2024Richland SD Carmichael
PO PG240957
JOHNSON CONTROLS FIRE PRTTN LP$5,396
Jun 27, 2024Richland Janitorial Gym Floor Maintenance
PG241914
A HIGHER PLANE INC$39,596
Jun 26, 2024Richland Schools Wood Shop
PG242319
PRINGLES POWER VAC INC$2,554
Jun 26, 2024Richland Schools Kitchen Hoods
PG242318
PRINGLES POWER VAC INC$18,561
Jun 5, 2024Hanford High School Roof ReplacementSIEFKEN & SONS CONST INC$2,684,890
May 28, 2024Early Learning Center 2N Video Intercom
PG242081
EVCO SOUND & ELECTRONICS INC$9,265
May 24, 2024Richland MS & Elem Maint 4989
PG242149
NORTHWEST INSTALLATION ENT INC$20,902
May 24, 2024Richland HS Addl 4990
PG242180
NORTHWEST INSTALLATION ENT INC$7,371
May 23, 2024Leona Libby water damage
24-02-11028
KUSTOM US INC$10,843
May 21, 2024RSD Three Kindergarden Tile Repairs
PG242226
CADILLAC LAWN CARE INC$24,458
May 17, 2024TCLAC HP-2 Compressor Replacement
RG242583
TOTAL ENGY MGT & HVAC SERV INC$13,161
May 15, 202424-01352 Richland SD Richland HS IPVS Swaps
PG242128
Ednetics Inc$8,934
May 3, 2024Richland SD Outdoor 4981
PG242047
NORTHWEST INSTALLATION ENT INC$25,075
May 1, 2024Libby MS Repairs
PO PG242008
BEYNON SPORTS SURFACES INC$3,401
May 1, 2024Carmichael Middle School
PG241554.
KONE INC$7,337
Apr 29, 2024IT Room Repairs
PG241985
TOTAL ENGY MGT & HVAC SERV INC$38,175
Apr 26, 2024Grease Trap Cleaning
PG241904
BAKER COMMODITIES INC$1,598
Apr 26, 2024Richland High School
PO PG240956
JOHNSON CONTROLS FIRE PRTTN LP$3,277
Apr 26, 2024Safety Audit for All Elementary School
PG233201
CADILLAC LAWN CARE INC$22,175
Apr 24, 202424-01310 Richland SD Hanford HS IPVS Upgrade
PG242037
Ednetics Inc$4,521
Apr 18, 2024Richland High School Safety and Security
PC240138
G2 COMMERCIAL CONSTRUCTION INC$1,940,621
Apr 17, 202424-01294 Richland SD Multi-site IPVS Upgrade
PG241980
Ednetics Inc$7,761
Apr 12, 2024RSD Safety & Security Upgrades Project #3
PC240136
G2 COMMERCIAL CONSTRUCTION INC$1,320,705
Apr 12, 2024RSD Safety & Security Upgrades Project #2
PC240140
G2 COMMERCIAL CONSTRUCTION INC$1,378,316
Apr 12, 2024William Wiley PG Repair
PG241671
CADILLAC LAWN CARE INC$3,419
Apr 9, 2024Enterprise to Hanford HS Relo
PC240133
PACIFIC MOBILE STRUCTURES INC$260,652
Apr 7, 2024District Service
PG241853
NORTHWEST ATHLTC SFTY SVCS INC$28,471
Apr 2, 2024Richland SD - Enterprise
PO PG241546
JOHNSON CONTROLS FIRE PRTTN LP$727
Mar 29, 2024Richland SD HSs Maint 2024
PG241791
NORTHWEST INSTALLATION ENT INC$17,649
Mar 26, 202424-01218 Richland SD Carmichael MS IPVS Swap
PG241800
Ednetics Inc$4,440
Mar 26, 202424-01229 Richland SD District IPVS Replacements
PG241864
Ednetics Inc$87,473
Mar 22, 2024Hanford High School Security Upgrades
23068
BOOTH & SONS CONSTRUCTION INC$1,184,830
Mar 21, 2024Richland School District Safety & Security Upgrades Project #1SIEFKEN & SONS CONST INC$385,482
Mar 19, 2024Message Board InstallEVCO SOUND & ELECTRONICS INC$3,196
Mar 19, 2024Hanford High School- Intercom Speaker AddEVCO SOUND & ELECTRONICS INC$3,356
Mar 14, 2024Job 4919 Richland MSs & Elem Addl
PG241556
NORTHWEST INSTALLATION ENT INC$7,271
Mar 13, 2024White Bluff Elementary
24-6438068
TRANE$13,722
Feb 27, 2024ELC Discover Structure and Tile
PG241288
CADILLAC LAWN CARE INC$14,153
Feb 13, 2024Orchard ES East PG - Remove and Replace slide
PG241412
CADILLAC LAWN CARE INC$3,902
Feb 9, 2024Libby Middle School
PG241568
FIRE CONTROL SPRNKL SYS CO INC—
Jan 22, 2024Taplteal Elementary True Milk cooler - 98956
98956
COFFEY REFRIGERATION$1,675
Jan 19, 2024Richland SD HS Addl 4923
PG241267
NORTHWEST INSTALLATION ENT INC—
Jan 17, 2024Diagnose Teaching, Learning & Admin Center
PG241210
TOTAL ENGY MGT & HVAC SERV INC$14,000
Jan 4, 2024Richland-450-C(HanfordHighSchool)
1058659
JIMMY'S ROOFING—
Jan 3, 2024Richland SD - Carmicheal
PG241056
JOHNSON CONTROLS FIRE PRTTN LP$827
Dec 27, 202323-00827 Richland SD Richland HS IPVS Replacement
PG241249
Ednetics Inc$2,698
Dec 18, 2023Fran Rish Stadium Speaker Move
PC230096
PHASE 2 ELECTRIC$27,800
Dec 18, 2023Carmichael Main Gym Janitorial MaintenanceA HIGHER PLANE INC$3,274
Dec 7, 2023White Bluffs Slide Replacement
PG241096
CADILLAC LAWN CARE INC$2,587
Nov 27, 2023White Bluffs Elementary
23-6059128
TRANE$52,900
Nov 15, 202323-00724 Richland SD Richland HS Auto Shop IPVS Swap
PG241047
Ednetics Inc$3,250
Nov 14, 20231992 Saint Troubleshoot
232957
KONE INC—
Nov 8, 2023Richland School District Leveler Install
PG240672
NORTH WEST HANDLING SYS INC$9,361
Nov 3, 2023Chief Joseph MS - Remove Concrete Awning
PG240974
G2 COMMERCIAL CONSTRUCTION INC$21,974
Nov 1, 2023RHS Hanford Wood Shop
509-967-6104
PRINGLES POWER VAC INC$2,554
Oct 31, 2023TLAC Building
1058294 Richland-6301-C
JIMMY'S ROOFING—
Oct 31, 2023Hanford High School
1058293 Richland-450-C
JIMMY'S ROOFING—
Oct 26, 2023Enterprise MS Track Repairs
NTP signed quote
BEYNON SPORTS SURFACES INC$5,637
Oct 25, 2023Richland-6301 (TLACBlg) 1058211
PO PG240598
JIMMY'S ROOFING$6,522
Oct 6, 202323-00645 Richland SD New IT Building IPVS
PG240764
Ednetics Inc$27,095
Oct 5, 2023Richland School Early Learning CenterPRINGLES POWER VAC INC$34,023
Oct 2, 2023S33407 Fran Rish Stadium
S33407
INTERWEST TECHNOLOGY SYS INC—
Sep 29, 2023Carmichael Gym Projector
S33390
INTERWEST TECHNOLOGY SYS INC—
Sep 28, 2023Richland School District- 2N Intercom Additions and Other Work-
PC240025
EVCO SOUND & ELECTRONICS INC$63,842
Sep 27, 2023Marcus Whitman Elementary Fire Panel Replacement
PG240228
EVCO SOUND & ELECTRONICS INC$12,441
Sep 25, 2023(title withheld)
PC230123
INTERWEST TECHNOLOGY SYS INC$6,755
Sep 22, 2023S33468 Early Learning Center
S33468
INTERWEST TECHNOLOGY SYS INC—
Sep 15, 2023district repairs
PG232683
NORTHWEST ATHLTC SFTY SVCS INC$7,870
Sep 14, 2023Wright Building - Access Control Addition
PG230753
EVCO SOUND & ELECTRONICS INC$5,980
Sep 14, 2023Teaching, Learning & Administration Center Door 145 Access Control Installation
PG221926
EVCO SOUND & ELECTRONICS INC$5,322
Aug 31, 2023White Bluffs Elementary
23-9901532
TRANE$1,270
Aug 31, 2023Jefferson Elementary Repair
23-9901558
TRANE$1,204
Aug 30, 2023RSD - Marcus Whitman Head
88-100104
MOON SECURITY SRVS INC$797
Aug 25, 2023(title withheld)
RG203070
INTERWEST TECHNOLOGY SYS INC—
Aug 24, 202323-00556 Richland DS Hanford HS Stadium IPVS
PG240275
Ednetics Inc$27,038
Aug 23, 2023Richland HS Aud 4854
PG240205
NORTHWEST INSTALLATION ENT INC$4,824
Aug 18, 20234851 Richland Outdoor Addl 2023
PG240033
NORTHWEST INSTALLATION ENT INC$8,031
Aug 8, 2023ELC Concrete Pad & Play Structures
PG240032
CADILLAC LAWN CARE INC$19,900
Aug 1, 2023FRAN RISH STADIUM RESTRIPE
23062
CONSTRUCTION AHEAD INC$4,348
Aug 1, 2023Richland High School Restripe
23061
CONSTRUCTION AHEAD INC$6,957
Jul 12, 2023Chief Joseph Middle School IrrigationSIEFKEN & SONS CONST INC$788,075
Jul 10, 2023Summer Projects
PG240011
K12 INSTALLS LLC$10,940
Jul 6, 20231219 Thayer - Phase 2 Modifications
RC230137
G2 COMMERCIAL CONSTRUCTION INC$69,840
Jun 30, 2023School Hoods
PG223655
PRINGLES POWER VAC INC$18,506
Jun 30, 2023Richland Schools Wood Shops
PG233017
PRINGLES POWER VAC INC$4,348
Jun 13, 2023Jason Lee E S Gym Sanding and Painting
PG233067
A HIGHER PLANE INC$15,952
Jun 13, 2023Janitorial Gym Maintenance Richland HS D
PG233066
A HIGHER PLANE INC$15,422
Jun 7, 2023Fran Rish Stadium Speaker Change
26565
EVCO SOUND & ELECTRONICS INC$47,054
Jun 5, 2023Richland SD School Repairs
PG232631
SOLID WASTE SYSTEMS INC—
May 31, 2023Richland SD Jefferson
PG230662
JOHNSON CONTROLS FIRE PRTTN LP$220
May 31, 2023Richland SD Warehouse
PG230671
JOHNSON CONTROLS FIRE PRTTN LP$571
May 31, 2023Richland SD Hanford High School
PG230668
JOHNSON CONTROLS FIRE PRTTN LP$332
May 24, 2023RSD ADA / Access/ Modifications
2205
BANLIN CONSTRUCTION LLC$138,223
May 11, 2023(title withheld)
New IT Building
INTERWEST TECHNOLOGY SYS INC—
May 2, 2023Marcus Whitman - Slide
PG231154
CADILLAC LAWN CARE INC$3,337

Most recent first. Each amount is the figure declared on the prime contractor's intent; amounts are not added up. Project addresses are not published.

Contractors that filed intents on its projects

ContractorIntents on this agency's projects
A HIGHER PLANE INC22
ALOHA GARAGE DOOR COMPANY INC24
AMERICAN ROCK PRODUCTS INC40
APOLLO MECHANICAL CONTRACTORS47
BAGLEY LANDSCAPE CONST INC28
CADILLAC LAWN CARE INC161
CREATIVE CONCRETE DESIGN INC24
D K B INC23
Ednetics Inc33
EVCO SOUND & ELECTRONICS INC152
FRONTIER FENCE INC56
HOBART34
INTERSTATE CONCRETE/ASPHALT CO27
INTERWEST TECHNOLOGY SYS INC353
JOHNSON CONTROLS FIRE PRTTN LP133
METALFAB INC25
NORTHWEST ATHLTC SFTY SVCS INC30
NORTHWEST INSTALLATION ENT INC63
PERFECTION GLASS INC26
PRINGLES POWER VAC INC35
PRO-CUT CNCRT CTTNG/BRKNG INC32
Ralph's Concrete Pumping24
SIERRA ELECTRIC INC25
TOTAL ENGY MGT & HVAC SERV INC30
TRANE25

Alphabetical order; the 25 contractors with the most filings on this agency's projects, prime and subcontractors together.