wa-public-works-records

COVINGTON, CITY OF — public works contracts

387 public works projects and 866 intents to pay prevailing wages name COVINGTON, CITY OF as the awarding agency, in the L&I file of Oct 1, 2026. L&I classes it as: City.

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
566856546711590762758

Latest contracts (200)

Intent filedContractPrime contractorAmount declared
Sep 24, 2026CITY OF COVINGTON TOWNHALL
PO 1668 AND PO 1667
GREAT FLOORS$36,417
Aug 19, 2026WATER LK OUT OF TRANSPORTER
260616-0205
MACDONALD-MILLER FAC SOLNS LLC$2,686
Aug 5, 2026PLANNED MAINTENANCE
QT-276451
CUMMINS INC$1,430
Aug 3, 2026Prestige Park Div. 2 Stormwater Pond Rehabilitation
011-2026
CLEAN HYDROVAC INC$41,219
Aug 3, 2026Jenkins Creek Park Ramp Revisions Project
050 -2026
WEST PEAK CONSTRUCTION LLC$48,949
Jun 30, 2026WATER LK OUT OF TRANSPORTER
260616-0205
MACDONALD-MILLER FAC SOLNS LLC$2,902
Jun 30, 2026BOILER ISSUES
260615-0309
MACDONALD-MILLER FAC SOLNS LLC$805
Jun 23, 2026Small Public Works, Minor Home Repair Program
26267-00-000
OAK HILLS CONSTRUCTION$34,999
Jun 5, 2026Unit Priced Mechanical Services
033-2026
MACDONALD-MILLER FAC SOLNS LLC—
May 7, 2026BOARDWALK IMPROVEMENTS PROJECT
027-2026
BUILD FOR YOU CONSTRUCTION LLC$19,195
May 2, 2026Parks Shrubs maintenanceBRIGHTHORIZON LAWNCARE LLC$41,998
Apr 19, 20262026 Spring tree removal and stump grinding
019-2026
HATCHET MAN TREE SERVICE LLC$19,765
Apr 17, 2026240th shoulder regrading
017-2026
GOLDROCK INVT LLC$144,144
Apr 16, 2026On-Call Pool Service
026-2026
ORCA PACIFIC INC$120,000
Apr 9, 2026SI2605-CITY OF COVINGTON
SI2605-CITY OF COVINGTON
ARCHER CONSTRUCTION INC—
Mar 30, 2026(title withheld)
53794
HERMANSON COMPANY LLC—
Mar 11, 2026(title withheld)
56433
HERMANSON COMPANY LLC—
Mar 5, 2026Public Works Agreement
004-2026
TECTA AMERICA SEATTLE LLC$60,000
Mar 4, 2026repairs
009-2026
D M KELLY MECHANICAL INC$5,000
Feb 13, 2026Covington PW Maintenance Facility
21507
GENCAP CONSTRUCTION CORP$5,075,227
Feb 6, 2026(title withheld)
54544
HERMANSON COMPANY LLC$2,531
Dec 30, 2025Stormwater System Clean
086-2025
CLEAN HYDROVAC INC$521,938
Dec 10, 2025repairs
253-480-2400
D M KELLY MECHANICAL INC$5,000
Nov 14, 2025Precision Door/Covington
084-2025
PRECISION DOOR SERVICE$30,000
Oct 20, 20252025 sidewalk panel replacement
077-2025
GOLDROCK INVT LLC$109,597
Oct 14, 20252025 PLANNED MAINTENANCE
QT-253109
CUMMINS INC$1,250
Oct 8, 2025SR 516 & 172nd Ave SE Fence Repair
SR 516 & 172nd Ave SE (17211 SE 272nd St),
FRN DRYWALL CORP$1,500
Sep 24, 20252025 Pavement Repairs
075-2025
PUGET PAVING & CONST INC$81,694
Aug 20, 2025City Of Covington - Police Facility PW-SPTF215372
PW-SPTF215372
PYE-BARKER FIRE AND SAFETY LLC$8,119
Aug 4, 2025(title withheld)
PW2025-41955878/41955931/41996283
ARCHER CONSTRUCTION INC$882
Jul 11, 20252025 Wax Road Shoulder Regrading Project
062-2025
CLEAR EXCAVATING LLC$171,296
Jun 9, 2025Tree work
057-2025
ARBORTEC TREE SOLUTIONS LLC$8,510
May 28, 2025Morgan's Creek Pond Rehab
052-2025
CLEAN HYDROVAC INC$47,349
Apr 23, 2025City of Covington Roofing On-Call Services Extended
087-2021
AXIOM DIVISION 7$30,000
Apr 10, 2025(title withheld)
2025 ANNUAL TESTING
ARCHER CONSTRUCTION INC—
Apr 9, 20252025 Curb RepairCheck Point Concrete LLC$20,967
Mar 26, 2025City of Covington Access add
PWSPTA145523881-o
PYE-BARKER FIRE AND SAFETY LLC$1,573
Feb 14, 2025Covington Minoa Home Improvements
033-2025
OAK HILLS CONSTRUCTION$27,500
Jan 7, 2025On-Call Service Work
012-2022
HERMANSON COMPANY LLP—
Nov 6, 20242024 Fence Repairs
Streets
ALL AROUND FENCE COMPANY—
Oct 17, 20242024 Summer Tree Removal and Pruning
058-2024
PnD Logging & Tree Service$21,726
Oct 16, 2024On Call
046-2020
D M KELLY MECHANICAL INC—
Oct 15, 2024Vinyl wraps for traffic control boxes
066-2024
GALAXY SIGN COMPANY$8,197
Sep 20, 20242023 Landscape Management - Year 1
EST2576835
Tim's Complete Lndscp Mgmt$5,000
Sep 20, 20242023 Landscape Management - Year 1 (Covington Comm Park)
EST2075823
Tim's Complete Lndscp Mgmt$11,100
Sep 20, 20242023 Landscape Management - Year 1 (Crystal View Park)
EST2075845
Tim's Complete Lndscp Mgmt$6,400
Sep 19, 2024Covington Aquatic Center
059-2024
ALL PURPOSE DOOR REPAIR INC$5,248
Aug 29, 20245-year IPI & FDC Obstruction Investigation
35792736
ARCHER CONSTRUCTION INC$4,767
Aug 26, 2024Founders Park Abatement & Demolition Project
Jonathan Sajda
RIVERS EDGE ENVRNMNTL SRVS INC$164,976
Jul 25, 2024City of Covington .75 inch RP
765224-35
ARCHER CONSTRUCTION INC$1,650
Jul 25, 2024ANNUAL INSPECTIONS
34350700
ARCHER CONSTRUCTION INC$1,002
Jul 25, 2024Annual Inspections
34350699
ARCHER CONSTRUCTION INC$1,520
Jun 14, 2024Channing Park Division 2 Pond Rehabilitation
n/a
RIVERS EDGE ENVRNMNTL SRVS INC$51,697
Jun 13, 2024272nd Shoulder Regrading
038-2024
FTS EXCAVATION LLC$149,262
Jun 6, 2024Covington Connection Lakepoint Blvd CIP 1201 Phase 3B
CIP 1201
TUCCI & SONS INC$1,188,916
May 22, 202448800-1 City of Covington Police Facility
48800-1
SONITROL PACIFIC$11,796
May 16, 2024Street Landscape Maintenance
025-2024
CANBER CORPS$461,696
May 6, 2024Covington Comm Park Re-Surface
NA
PACIFIC SPORTS TURF INC$209,616
May 2, 2024VGb drain cover
VGB drain cover
AQUATIC SPECIALTY SERVICES INC$1,704
Apr 16, 2024Jenkins Creek Park Phase 1
CIP 1014
RODARTE CONSTRUCTION INC$2,996,891
Feb 19, 202448805-1 City of Covington
48805-1
SONITROL PACIFIC$3,792
Jan 19, 2024Planned Maintenance
QT-214663
CUMMINS INC$1,193
Jan 17, 2024Various Tree TrimmingPnD Logging & Tree Service$27,662
Jan 13, 20242023 On Call Work
82-22-21168
HERMANSON COMPANY LLP$2,500
Jan 5, 2024On Call Work
82-22-21168
HERMANSON COMPANY LLP$2,500
Jan 3, 2024Stormwater Cleaning Services for 2024-2025
126-2023
OLSON BROTHERS PRO-VAC LLC$444,662
Jan 3, 2024BACKFLOW REPAIR
M23-30236307
ARCHER CONSTRUCTION INC$855
Nov 27, 2023Stormwater Cleaning Services for 2024-2025
N/A
OLSON BROTHERS PRO-VAC LLC$444,662
Nov 20, 20232023 Sidewalk Panel Replacement Project
125-2023
FOUR SEASONS CNCRT CONST LLC$68,986
Nov 13, 2023City of Covington Minor Home Repair Program
23231-00-000
OAK HILLS CONSTRUCTION$27,500
Nov 9, 2023SE Corner of 256th ST & 156th AVE SE
118-2023
ALL AROUND FENCE COMPANY—
Nov 9, 2023Corner of 180th Ave SE & SE 262nd PL
118-2023
ALL AROUND FENCE COMPANY—
Oct 31, 2023SERVICE CALL
E23-28276329
ARCHER CONSTRUCTION INC$942
Sep 11, 2023City of Covington Pond Rehab 2023
098-2023
WOLFSKILL CONSTRUCTION$114,088
Aug 11, 2023Lillian- Berger Water Quality Improvements
087-2023
SCOTTY'S GENERAL CONST INC$420,072
Aug 8, 2023Timberlane Way Drainage Repair
096-2023
FTS EXCAVATION LLC$16,176
Jul 25, 2023SE 256th Street Overlay
TIB 3-P-204(007)-1 G&O#23482.00
ICON MATERIALS$454,850
Jul 14, 2023Parks Shrub Bed Maintenance
075-2023
Tim's Complete Lndscp Mgmt—
Jul 10, 2023SoCo Park Phase 1 Improvements
Project No. 1019
RODARTE CONSTRUCTION INC$958,774
Jun 23, 2023(title withheld)
po 0020
AQUATIC SPECIALTY SERVICES INC$1,994
Jun 15, 2023City of Covington add 2 panics & 2 strobes
Job # 48227-1
SONITROL PACIFIC$2,133
Jun 6, 2023filter grid change out
Jonathan saida
AQUATIC SPECIALTY SERVICES INC$18,444
Apr 5, 2023Covington Police - Splits
PO #4139332 / Contract #23-270
HERMANSON COMPANY LLP$105,690
Mar 28, 2023Aquatic Center Pool Repairs
010-2023
ORCA PACIFIC INC$45,067
Mar 20, 2023On Call Facility and Maintenance Repair
Public Works Contract
BOSLEY ENERGY SERVICES LLC$30,000
Mar 17, 2023Pool maintenance & supplies
1564
AQUATIC SPECIALTY SERVICES INC—
Mar 9, 2023Public Works Agreement
051-2023
CUTTER ELECTRIC LLC—
Mar 2, 2023Jenkins Creek & Wax RdPnD Logging & Tree Service$7,337
Feb 27, 20232023 Aquatic Center Concrete Repairs
021-2023
TJR STEEL CONSTRUCTION LLC$13,126
Feb 24, 2023COVINGTON SHOWER TREE
PLUMB-007
D M KELLY MECHANICAL INC$19,784
Feb 23, 2023Aquatic Center Pool Repairs
010-2023
ORCA PACIFIC INC$43,980
Feb 9, 2023(title withheld)
Minor Home Repairs
MULCAHEY CUSTOM HOMES/RMDL LLC$1,985
Feb 6, 2023Tamarak Pond Rehab
009-2023
NEW X INC$506,414
Jan 24, 20232022 Tree Removal and Pruning Project
075-2022
HANSON TREE SERVICE LLC$38,371
Dec 2, 2022Interior Painting -City of Covington Community Room
CAG 063-2022
PREMIUM VALLEY PAINTING INC$4,147
Oct 6, 2022Vinyl wrap and bronze plaque fabrication and installation
059-2022
GALAXY SIGN COMPANY$3,450
Sep 25, 2022CCP WETLAND MAINTENANCE
061-2022
BRIGHTHORIZON LAWN CARE$9,674
Sep 7, 2022212th Ave SE Drainage Improvements
19498
BLUE MOUNTAIN CONST GROUP LLC$275,000
Aug 15, 2022(title withheld)
2022 Pipe
Christopher Sita DBA Sita Enterprises$72,829
Aug 5, 2022INSPECTIONS
I22
ARCHER CONSTRUCTION INC—
Aug 2, 2022Rainier Vista and Covington Community Park Pond Rehabilitation
DP21272
WOLFSKILL CONSTRUCTION$85,641
Jul 13, 2022Timberlane Way SRTS
1029,SRTS
N P M CONSTRUCTION CO$425,000
Jul 11, 2022Roundabout Rectangular Rapid Flashing Beacons
CIP CWSP RRFB
REIGN CITY SERVICES LLC$322,913
May 11, 2022Jenkins Creek Park Demo & Removal
CAG #033-2022
ASCENDENT LLC$98,000
May 2, 2022VINYL WRAPS FOR TRAFFIC CONTROL BOXES
NA
SIGN DOG WEST LLC—
Apr 28, 2022City of covington
City of covington
ALL AROUND FENCE COMPANY—
Apr 21, 2022Covington City Hall, 2nd Floor
#6996
LEGACY GROUP INC$18,027
Apr 15, 2022SE 272nd St (SR 516) Improvements
STP-HLP-0516(022)
GOODFELLOW BROS LLC$18,868,371
Apr 13, 2022Metal Art Foundation
019-2022
BLACKWATER INDUSTRIES$7,510
Feb 28, 2022City of Covington - On Call Mechanical Services
82-22-21168
HERMANSON COMPANY LLP$2,500
Feb 23, 2022On-call Door Services
CAG 011-2022
A C E Improvements$30,000
Feb 16, 2022Aquatic Center Pool Repairs
Bid Proposal v.2
ORCA PACIFIC INC$31,143
Feb 15, 2022Filter Tank Repair
CAG 009-2022
BLACKWATER INDUSTRIES$13,230
Feb 14, 2022Covington Aquatic Warranty Repair
WO 5479
AXIOM DIVISION 7$1,905
Jan 26, 2022Stormwater Infrastructure Maintenance
1001
WOLFSKILL CONSTRUCTION$146,544
Jan 11, 2022City of Covington
WA45658BM
PRECISION CONCRETE CUTTING INC$7,738
Dec 6, 2021City of Covington Roofing On-Call Services
Unit Priced Roofing Services
AXIOM DIVISION 7$30,000
Dec 6, 2021AV SystemDIMENSIONAL COMMUNICATIONS INC$65,325
Nov 17, 20212021 Sidewalk Panel Replacement Project
075-2021
FOUR SEASONS CNCRT CONST LLC$78,245
Oct 19, 2021Covington Police Dept
021-702
NORTHWEST ROOF SERVICE INC$3,500
Oct 12, 2021CCP Wetland and Buffer Area Invasive Plant Removal
063-2021
HANSON TREE SERVICE LLC$51,632
Oct 11, 20212021 Pavement Repair Project
2021 Pavement Repair Project
PUGET PAVING & CONST INC$86,455
Sep 13, 2021Covington Connector - SR 18
HLP-CNWA (017)
GOODFELLOW BROS LLC$9,828,216
Aug 23, 2021Aquatic Center Hot Water System Upgrades
20616
HAWK MECHANICAL CONTRS INC$91,842
Aug 19, 2021City of Covington City Hall PW
12425
PLUMB SIGNS INC$4,857
Aug 5, 2021C/O Covington/2021 Tree Removals (4 sites)
23281
RON'S STUMP REMVL/TREE SER LLC$11,479
Jun 10, 2021Forest Crest Detention Pond Restore
Forest Crest
WOLFSKILL CONSTRUCTION$43,456
May 3, 2021City of Covington Aquatic Ctr
36574
MACDONALD-MILLER FAC SOLNS LLC$7,737
Apr 23, 2021City of Covington Aquatic Ctr
36574
MACDONALD-MILLER FAC SOLNS LLC$7,737
Apr 16, 2021Stormwater System Cleaning
038-2021
PIPELINE VIDEO INSPECTION LLC$305,148
Jan 22, 2021164th Ave SE/Kentwood HS Induction Loop
2021 Loops
WEST COAST SIGNAL INC$8,525
Jan 21, 2021PUBLIC WORKS AGREEMENT between the City of Covington and Brightview Landscapes, LLC
001-2021
BRIGHTVIEW LANDSCAPES LLC$368,762
Dec 15, 2020SE 245 CT Pavement & Curb Repair
2020-SE 24th
IRON CREEK CONSTRUCTION LLC$11,724
Dec 15, 2020Rainier Vista Trail Pavement Repair
2020-Rainier Vista
IRON CREEK CONSTRUCTION LLC$12,690
Nov 4, 2020(title withheld)
NONE
D M KELLY MECHANICAL INC$20,000
Oct 28, 2020Covingron Connector, 204th Ave and SR 516
HLP-CNWA(017)
SCARSELLA BROS INC$11,995,380
Oct 26, 2020192nd Ave SE Landscaping
192nd Ave SE Landscaping
ATWORK! COMMERCIAL ENT LLC$50,754
Oct 15, 2020Covington SoCo Park Demo
112020
RIVERS EDGE ENVRNMNTL SRVS INC$119,880
Sep 30, 2020Demolition of Main Elementary School
CIP 1808
RIVERS EDGE ENVRNMNTL SRVS INC$561,306
Sep 29, 2020Art Lifting
P#2084
ARTECH INC$3,903
Sep 29, 20202020 Tree Removals
00
ARBORTEC TREE SOLUTIONS LLC$13,466
Sep 25, 20202020 Street Sweeping
2020 Street Sweeping
WHIRLWIND SERVICES INC—
Sep 17, 2020Artwork Electrical
032-2020
ALLIED ELECTRIC INC$10,847
Aug 31, 2020Covington Aquatics Center Main Backflow Repair
045-2020
BACKFLOWS NORTHWEST INC$409
Aug 5, 2020Covington Community Park
0002065749
ACCO ENGINEERED SYSTEMS INC$4,671
Jun 16, 2020Service
100141
FIVE STAR MECHANICAL—
May 29, 20202020 Inspections
2020
ARCHER CONSTRUCTION INC—
May 15, 2020COVID-19 Drive-Thru Testing Site
CAG #030-2020
FERRIS/TURNEY GEN CONTRS INC$68,193
Apr 8, 202069153 - City of Covington Elementary School Window Security Screening
015-2020
ABLE GENERAL CONTRACTING$2,546
Apr 1, 202069152 - City of Covington Elementary School Door Glass Replacement
014-2020
ABLE GENERAL CONTRACTING$2,437
Mar 22, 2020SE 264th St HMA Wedge Curb
SE 264th St HMA Wedge Curb
JUDHA OF LN LNDSCPG & SRVS LLC$8,145
Mar 5, 2020DE filter change
Rachel Bahl
AQUATIC SPECIALTY SERVICES INC$2,984
Feb 28, 2020Install starting blocksAQUATIC SPECIALTY SERVICES INC$9,557
Feb 28, 2020Install score boardAQUATIC SPECIALTY SERVICES INC$5,919
Feb 3, 2020Covington Aquatic Center
CAC - 2020
KEN'S POOL SERVICE INC—
Jan 14, 2020Covington Aquatic Center Roof Repair
2942
AXIOM DIVISION 7$952
Jan 14, 2020Playground Surface Improvements
147-2019
FOREVERLAWN BELLEVUE$9,700
Nov 21, 2019install LED lights
Rachel Drury
AQUATIC SPECIALTY SERVICES INC$7,715
Nov 19, 2019Covington Community Park
1212019
GATE SERVICE AND TECHNOLOGY$11,669
Nov 12, 20192019 Covington Tree Removals
001
PnD Logging & Tree Service$8,091
Nov 6, 2019Community room ballast
NTP Ross Junkin
PRIME ELECTRIC INC$458
Oct 29, 2019Covington Aquatic Center
ADA1
WHEELER PAINTING INC—
Oct 3, 2019Well E Pull & Inspect
Contract
PUMPTECH INC$5,497
Sep 11, 2019Sawcut asphaltDELMAR CONCRETE CTNG&CRNG LLC$5,000
Sep 10, 2019Lighting Maintenance- City Hall
NTP Ross Junkin
PRIME ELECTRIC INC$331
Sep 10, 2019Covington Park Stage outlets
NTP Ross Junkin
PRIME ELECTRIC INC$455
Sep 5, 2019Covington Aquatic CenterAUBURN MECHANICAL INC$925
Aug 21, 2019Prestige Park Pond Rehab
PrestigePark19
Nordvind Sewer Service LLC$140,000
Aug 13, 2019City of Covington Aquatic Ctr
36574
MACDONALD/MILLER FAC SOL INC$7,076
Aug 12, 2019164th Avenue SE Pedestrian Improvements
TA-6652
RINO CONSTRUCTION$1,257,536
Jul 29, 2019(title withheld)
NTP-Ross Junkin
PRIME ELECTRIC INC$2,731
Jul 25, 201960'+ blk cl em repair
7-24-19
ALL AROUND FENCE COMPANY$4,140
Jul 16, 2019Covington Community Park-GFCI Outlets
NTP Junkin
PRIME ELECTRIC INC—
Jun 20, 2019Inspect/Repair DeNora OSHG
0000015048
PUMPTECH INC—
Jun 13, 2019Covington Community Park
0722019
PATRIOT MAINTENANCE INC$7,500
Jun 10, 2019Lake at Winterwood Drainge Ditch and Shoulder Repair
NA
IRON CREEK CONSTRUCTION LLC$183,235
Jun 3, 2019Covington Aquatic CenterAUBURN MECHANICAL INC$7,051
May 13, 2019Covington Aquatic CenterAUBURN MECHANICAL INC$1,990
May 13, 2019Covington Aquatic - Water Temp ResetAUBURN MECHANICAL INC$502
Apr 23, 2019Covington Aquatic Center Roof Repair
Aquatic Center
AXIOM DIVISION 7$4,000
Apr 17, 2019Community CenterS & T Window Films$2,082
Apr 9, 2019Covington Aquatic Center
covington Aquatic Center
AQUATIC SPECIALTY SERVICES INC$50,651
Mar 20, 2019CAC-Entry Door Hardware
1
WHEELER PAINTING INC$1,820
Feb 11, 2019Permit Counter-Ballast
NTP-Junkin
Prime Electric Inc.—
Jan 31, 2019Tree Removal 168th PL
010-2019
PND Logging& Tree Service$1,846
Jan 17, 2019monthly pool service
Rachel Bahl
AQUATIC SPECIALTY SERVICES INC$493
Dec 13, 2018Cypress TreesPnD Logging & Tree Service$5,430
Dec 13, 2018Maple ClusterPnD Logging & Tree Service$1,032
Dec 13, 2018Aquatic CenterPnD Logging & Tree Service$7,330
Dec 11, 2018Facilities Chemical Storage Container powerPRIME ELECTRIC INC—
Dec 11, 2018Lighting Maint-City HallPRIME ELECTRIC INC—
Nov 28, 2018Double AlderPnD Logging & Tree Service$2,500
Oct 23, 2018service underwater lights
Rachel Bahl
AQUATIC SPECIALTY SERVICES INC—
Oct 16, 2018repair add water
Rachel Bahl
AQUATIC SPECIALTY SERVICES INC—
Oct 14, 2018RepairsB R FENCING INC$1,939
Oct 4, 2018install flow meter
Rachel Bahl
AQUATIC SPECIALTY SERVICES INC$646
Oct 1, 2018Aquatic CenterCRESSY DOOR CO INC$6,166
Sep 28, 2018Aquatics Center HVAC Repair
rbahl
Schneider El Bldg Americas Inc—
Aug 30, 2018City of Covington Aquatic Ctr Maintenance
36574
MACDONALD/MILLER FAC SOL INC$6,803
Aug 22, 2018ADA Ramp Improvements
2018-ADA SW-001
Nordvind Sewer Service LLC$283,000

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
ALL AROUND FENCE COMPANY6
AQUATIC SPECIALTY SERVICES INC19
ARCHER CONSTRUCTION INC11
AUBURN MECHANICAL INC8
C & P FENCING5
CANBER CORPS7
CORLISS RESOURCES INC26
D M KELLY MECHANICAL INC6
DESIGN AIR LTD7
EVERGREEN CONCRETE CUTTING INC10
GROUND UP ROAD CONST INC7
HERMANSON COMPANY LLP9
LAKERIDGE PAVING CO L L C8
MACDONALD-MILLER FAC SOLNS LLC10
Miles Sand & Gravel Company23
NORTHWEST TRAFFIC INC7
OAK HILLS CONSTRUCTION6
OLSON BROTHERS PRO-VAC LLC11
PETERSEN BROTHERS INC6
PnD Logging & Tree Service15
PRIME ELECTRIC INC15
Ralph's Concrete Pumping7
SPECIALIZED PAVEMENT MRKG LLC6
WEST COAST SIGNAL INC6
WILSON CONCRETE CONST INC6

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