wa-public-works-records

MOSES LAKE, PORT OF — public works contracts

353 public works projects and 583 intents to pay prevailing wages name MOSES LAKE, PORT OF as the awarding agency, in the L&I file of Oct 1, 2026. L&I classes it as: Port 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
2423434838319264119

Latest contracts (200)

Intent filedContractPrime contractorAmount declared
Sep 23, 2026Walker Road
5097625363
CORTEZ FENCING LLC$7,378
Aug 19, 2026Hogland Sprinkler Head Replacement
26-003
FIRE CONTROL SPRNKL SYS CO INC$25,511
Aug 3, 2026Geni/Chemi-Con Phase One Replacement
26-007
GRADIN EXCAVATION LLC$768,220
Jul 31, 2026Port of Moses Lake Generator
Generator Maintenance
WESTERN STATES EQUIPMENT CO$9,466
Jul 24, 2026ELEC VAULT - FIX LEAK
WO128725
POLHAMUS HEATING & A/C INC$6,605
Jul 9, 2026Gate Access Control
26-006
FIRE POWER INC$192,742
Jun 24, 2026Air Show Runway Lights
01-2150
NEPPEL ELECTRIC & CONTROLS LLC$3,600
Jun 16, 2026emergency Roof Repair Building #5820
26-010
MCDONALD & WETLE INC$29,160
May 14, 2026Port of Moses Lake
53922836
JOHNSON CONTROLS FIRE PRTTN LP$3,234
Apr 30, 2026Moving Antenna
N/A
DAY WIRELESS SYSTEMS$16,514
Apr 27, 2026FAULTY COMPRESSOR SERVICE
WO128436
POLHAMUS HEATING & A/C INC$4,360
Apr 23, 2026Tower Top Replacement
Service Call
SKONE IRRIGATION INC—
Apr 22, 2026(title withheld)
Bid #9714
INSULATION MASTER INC$8,400
Mar 27, 2026Terminal Sidewalk Repair at Port of Moses Lake
26-004
BAKER CONSTRUCTION & DEV INC$24,835
Feb 21, 2026Utility Maintenance Contract 26
24002
EVERGREEN VLY UTLTY SERV LLC$250,000
Feb 14, 2026PORT OF MOSES LAKE - VAULT- GEN-END REFURBISH- SUBLET SERVICE
WSC 06225 - AIRFIELD
PACIFIC POWER GROUP LLC$58,864
Jan 30, 2026(title withheld)
61282
BASIN SEPTIC SERVICES INC$730
Dec 22, 2025SERVICE CARRIER UNIT
WO128046
POLHAMUS HEATING & A/C INC—
Dec 2, 2025PORT OF MOSES LAKE - 2025 NFPA 110 1.5 HOUR LBT - 3 UNITS
Quote# 88086
PACIFIC POWER GROUP LLC$5,621
Dec 1, 2025Decommissioning
25-007
ZION EXCAVATION LLC$49,574
Nov 18, 2025Sewer line repair at the Port of Moses Lake
25-005ARFF
BASIN SEPTIC SERVICES INC$25,000
Nov 4, 2025Troubleshoot LAHSO Lights
01-2093
NEPPEL ELECTRIC & CONTROLS LLC—
Oct 23, 2025Genie Facilities
3362
WAYNE'S ROOFING INC—
Sep 23, 2025HVAC SERVICE 8/14/2025 - PORT OF MOSES LAKE OLD SONICO
INV104914
POLHAMUS HEATING & A/C INC$452
Sep 23, 2025HVAC SERVICE 8/01 & 08/12 - PORT OF MOSES LAKE OLD SONICO
INV104807
POLHAMUS HEATING & A/C INC$3,642
Sep 5, 2025Crack Seal Project 2025
GC2025-239
FINE SEAL COATING & STRIP LLC$179,500
Aug 25, 2025Troubleshoot LAHSO Lights
01-2072
NEPPEL ELECTRIC & CONTROLS LLC$2,400
Jul 24, 2025HVAC SERVICE 7/8/2025 - PORT OF ML OLD SONICO BLDG
INV104506
POLHAMUS HEATING & A/C INC$3,375
Jun 26, 2025Maintenance Building
29456
NEPPEL ELECTRIC & CONTROLS LLC$59,800
Jun 18, 2025Chemical Runway Rubber Removal
25-003
UNICEN INDUSTRIES$54,273
Jun 13, 2025OLD SONICO - 360 SERVICE
INV103859
POLHAMUS HEATING & A/C INC$709
Jun 13, 2025OLD SONICO - 360 / COMPRESSOR
INV104127
POLHAMUS HEATING & A/C INC$8,486
Jun 13, 2025OLD SONICO 360 - SERVICE
INV103992
POLHAMUS HEATING & A/C INC$3,854
May 22, 2025HVAC SERVICE 5/2/2025 - PORT OF ML-TERMINAL BLDG
INV103810
POLHAMUS HEATING & A/C INC—
Apr 18, 2025Terminal HVAC Repair
25-001
POLHAMUS HEATING & A/C INC$19,861
Mar 12, 2025Terminal Canopy Repair
24-010
STAN'S CONSTRUCTION & SON LLC$42,955
Mar 5, 2025West Terminal Apron Reconstruction
N/A
CENTRAL WASHINGTON ASPHALT INC$3,356,202
Feb 25, 2025Utility Maintenance Contract 25
24002
EVERGREEN VLY UTLTY SERV LLC$250,000
Jan 16, 2025West Terminal Apron Reconstruction
N/A
CENTRAL WASHINGTON ASPHALT INC$3,356,202
Nov 6, 2024OLD SONICO 360 INSTALL NEW 7 1/2 DONDENSING HEAT EXCHANGER
INV101867
POLHAMUS HEATING & A/C INC$9,091
Nov 6, 2024OLD SONICO 360 - INSTALL NEW RETURN AIR GRILL
INV101868
POLHAMUS HEATING & A/C INC$3,353
Oct 23, 2024QB Well Repair
24-009
BRANSEN DRILLING LLC$44,146
Oct 22, 2024Utility Maintenance Contract
24002
EVERGREEN VLY UTLTY SERV LLC—
Oct 18, 2024Port of Moses Lake Removal
23-004/23-3287
STRIPE RITE LLC$67,982
Oct 15, 2024FIRE STATION - SERVICE
INV101850
POLHAMUS HEATING & A/C INC—
Oct 15, 2024PORT OF ML - SERVICE 09/12/24
INV101797
POLHAMUS HEATING & A/C INC$657
Oct 15, 2024FIRE STATION - SERVICE
INV101728
POLHAMUS HEATING & A/C INC$606
Aug 28, 2024Port of Moses Lake 2024 Storage Building
24-003
GRAHAM CONST & MANAGEMENT INC$1,285,416
Aug 26, 202424-007 Terminal UPS Replacement at the Port of Moses Lake
24-0074 Terminal UPS
NEPPEL ELECTRIC & CONTROLS LLC$54,078
Aug 9, 2024Turner Rd Bay 4
A-24-1225
A1 ASBESTOS LLC$1,331
Aug 8, 2024Grant County International Airport
23-3287
STRIPE RITE LLC$117,800
Jul 8, 2024Well #11
M027177
LAD IRRIGATION CO INC—
Jun 4, 2024TRACON HVAC
24-005
POLHAMUS HEATING & A/C INC$151,023
May 22, 2024Runway RubberRemoval
24-006
UNICEN INDUSTRIES$57,130
Mar 5, 2024Port of Moses Lake
Port of Moses Lake
JOHNSON CONTROLS FIRE PRTTN LP$1,360
Feb 27, 2024Terminal Sign Replacement
24-002
GRAYBEAL SIGNS INC$13,756
Sep 12, 2023NEW ROOF
23-001-1202
PAINT CRAFTERS PLUS INC$546,951
Jul 12, 2023Grant County International Airport
23-3287
STRIPE RITE INC$117,800
Jun 14, 2023Grant County International Airport
Grant Co Int'l Airport June 2023
GRAYBEAL SIGNS INC$10,830
Jun 6, 2023Port of Moses Lake Pump Room
Contract 23-003
JOHNSON CONTROLS FIRE PRTTN LP$3,977
Jun 6, 2023Port of Moses Lake Public Safety Panel
Contract 23-003
JOHNSON CONTROLS FIRE PRTTN LP$35,021
Jun 6, 2023Port of Moses Lake Terminal FA
Contract 23-003
JOHNSON CONTROLS FIRE PRTTN LP$82,047
Jun 6, 2023Port of Moses Lake Maintenance FA
Contract 23-003
JOHNSON CONTROLS FIRE PRTTN LP$22,428
Feb 6, 2023arff fence repair
22-005
CORTEZ FENCING LLC$19,465
Dec 5, 2022Rubber Removal
1
ROAD PRODUCTS INC$40,575
Oct 31, 2022SWQ Hangers Development
2022 Pavement Task
CENTRAL WASHINGTON ASPHALT INC$426,714
Oct 11, 2022Port of Moses Mold
ML-22-0482-ENV
JUST RIGHT CLEANING/CONST INC—
Oct 11, 2022Port of Moses Lake
Port of Moses Lake
JOHNSON CONTROLS FIRE PRTTN LP$511
Oct 11, 2022Port of Moses Lake
Port Building Moses Lake
JOHNSON CONTROLS FIRE PRTTN LP$5,429
Oct 10, 2022Port Window Cleaning
100
D's Window Cleaning LLC$8,100
Sep 22, 2022Runway Rubber Removal
22-003
UNICEN INDUSTRIES$82,254
Aug 26, 2022CP Repair
5097608825
CATHODIC SOLUTIONS—
Aug 8, 20222022 Demo Proj #22-18407
22-18407
3 KINGS ENVIRONMENTAL INC$750,415
May 18, 2022Port of Moses Lake Wet Well Rehab
SW12
POW CONTRACTING$9,485
Feb 1, 2022Port of Moses Lake-Tower
ML-22-0080
JUST RIGHT CLEANING/CONST INC—
Jan 24, 2022Patton BLVD Sidewalk Extension Project
21-012
JR MASSIE & CO LLC$86,919
Nov 30, 2021SEWER REPAIR
21-017
ADVANCED EXCAVATION INC$20,134
Oct 28, 20212021 UNIT PRICE PAVE REPAIR TASK 2
11834
CENTRAL WASHINGTON ASPHALT INC$39,167
Oct 21, 2021PORT OF MOSES LAKE ATS HANGAR BLDG 2203
20-005 2203
KRUEGER SHEET METAL CO$46,526
Oct 19, 2021SW Hangar Development
21-009
CULBERT CONSTRUCTION INC$255,754
Oct 12, 2021Port of Moses Lake Storage Lagoon
D3320232
ROTSCHY INC$5,854,979
Sep 23, 2021Port of Moses Lake
Port of Moses Lake
JOHNSON CONTROLS FIRE PRTTN LP$1,779
Aug 24, 2021Airfield Re-Wire
21-015
HOME ELECTRICAL SERVICES LLC$8,926
Jul 29, 2021Rubber Removal Runway 9-27STRIPE RITE INC$11,632
Jul 27, 2021Fencing at the Port of Moses Lake, Grant County International Airport
21-010 IWW
STAN'S CONSTRUCTION & SON LLC$133,843
Jul 21, 2021Port of Moses Lake
Port of Moses Lake
JOHNSON CONTROLS FIRE PRTTN LP$898
Jul 9, 2021BRITE PMAAIRSIDE SOLUTIONS INC$11,527
Jul 8, 2021Port of Moses Lake Panel repair
Port of Moses Lake
JOHNSON CONTROLS FIRE PRTTN LP$481
Jun 4, 2021IWW New Well Pump
21-001
POW CONTRACTING$1,697,492
May 14, 2021City of Moses Lake Waterpark Sound System RefreshEVCO SOUND & ELECTRONICS INC$65,622
Mar 26, 2021Aero-tech Building #2113 Reroof Project
21-004
SCHOLTEN ROOFING INC$46,000
Mar 22, 2021Risso Electrical Repairs
21-008
HOME ELECTRICAL SERVICES LLC$45,159
Mar 10, 2021Annual Compliance Testing
Compliance Testing
MASCOTT EQUIPMENT CO INC$541
Mar 8, 20212021 PAVEMENT
UNIT PRICES - PAVEMENT
CENTRAL WASHINGTON ASPHALT INC$213,154
Feb 15, 20214006 Emergency Repairs
21-003
PACIFIC NORTHWEST MECH LLC$65,454
Feb 4, 2021BOR MONITORING WELLS
21-006
GREGORY DRILLING INC$20,937
Dec 8, 2020PORT OF MOSES LAKE SEWER REPAIR
1
ADVANCED EXCAVATION INC$29,599
Nov 9, 2020Building 3303 - 2020 SBS Modified
19-005
SCHOLTEN ROOFING INC$380,056
Nov 9, 2020Snow Equipment #2206 & Maintenance Shop #2205 2020 TPO Single Ply Removal Salvage and Recover Reroof Project
20-004
SCHOLTEN ROOFING INC$202,208
Nov 5, 202020-011 Bldg 2101 HVAC Repair
20-011
POLHAMUS HEATING & A/C INC$13,356
Oct 14, 2020HVAC Replacement Building 2205
20-010
POLHAMUS HEATING & A/C INC$14,415
Oct 9, 2020Fire Pump House Upgrades
20-009
FIRE CONTROL SPRNKL SYS CO INC$13,687
Jul 27, 2020FIRE SUPPRESSION LINE EXTENSTION
20-006
NORTH CENTRAL CONSTRUCTION INC$88,889
Jul 21, 2020RUBBER REMOVAL
20-008
UNICEN INDUSTRIES$52,277
Jul 10, 2020BUILDING 2101
20-007
POLHAMUS HEATING & A/C INC$36,255
May 30, 2020Service 4-20
service call 4-20
SKONE IRRIGATION INC—
May 26, 2020UNIT PRICE FOR PAVEMENT REPAIR
N/A
CENTRAL WASHINGTON ASPHALT INC$111,294
May 4, 2020Westside Employment Center (WEC)
15-021
TOMMER CONSTRUCTION COMPANY$5,294,586
Apr 10, 2020Building 2110 HVAC
20-005
HOCHSTATTER ELECTRIC INC$37,325
Feb 26, 2020(title withheld)
Rich
SME SOLUTIONS LLC—
Jan 6, 2020Building 2901 Electrical
20-002
HOCHSTATTER ELECTRIC INC$23,177
Jan 2, 202020-001 Building 2901 Insulation
20-001 Building 2901 Insulation
INSULATION MASTER INC$45,900
Nov 14, 2019Building 2901 and 431
19-023 2901
A1 ASBESTOS LLC$62,458
Oct 3, 2019Terminal HVAC
19-022
POLHAMUS HEATING & A/C INC$15,000
Oct 2, 2019RW 14L/32R LOS Rehabilitation
3-53-0039-044/045-2019
GRANITE CONSTRUCTION COMPANY$19,974,842
Sep 20, 2019Security Gates
Security Gates
SPECIALTY WELDING INC—
Sep 13, 2019UNIT PRICE PAVEMENT REPLACEMENT AND REPAIR
N/A
CENTRAL WASHINGTON ASPHALT INC$433,758
Aug 16, 2019Brite/IRMS UpgradeAIRSIDE SOLUTIONS INC$7,090
Aug 16, 2019Life Flight hanger door repair
4006 Bay 4
SPECIALTY WELDING INC—
Aug 15, 2019Building #4006 Roof A
19038
SPOKANE ROOFING COMPANY LLC$115,000
Aug 1, 2019Wastewater Well Drilling, Port of Moses Lake, Grant County, Int'l Airportll
19-001
GREGORY DRILLING INC$1,212,312
Jun 18, 2019Diesel Exhaust Removal System
021519
WEIDNER & ASSOCIATES INC$70,955
Jun 6, 2019Rubber Paint Removal
1
ROAD PRODUCTS INC$50,000
Jun 3, 2019New Roof at Grant County Int. Airport
19-006 4006 New Roof
SPOKANE ROOFING COMPANY LLC$99,110
May 15, 2019Grant County Airport
19-015
OTIS ELEVATOR CO$43,106
Apr 29, 2019Clyde Owen Commemorative Park
WPES Project # 18008
TOMMER CONSTRUCTION COMPANY$44,321
Apr 10, 2019Rate of Rise Valve Replacement
19-004
BLUE MOUNTAIN FIRE PROTECT INC$252,167
Apr 5, 2019Project 19-007 Gate A-2 Replacement
19-007
Northwest Fence Company Inc$39,002
Mar 14, 2019Port of Moses Lake Building 429
19-018 429
A1 ASBESTOS LLC$4,755
Mar 8, 2019Bldg. 429 Window Replacement
19-016 429
SKAUG BROTHERS INC$6,380
Mar 7, 2019Port of Moses Lake Bldg. 2501
25-WA-181321
GARLAND/DBS INC$7,156
Mar 1, 2019Bldg 2101 Carpet
19-014
SKAUG BROTHERS INC$7,100
Dec 28, 2018Automatic Door RepairRIVER CITY GLASS INC$6,829
Dec 3, 2018Airport Fire Dept. Exhaust systemWEIDNER & ASSOCIATES INC$71,000
Nov 20, 2018(title withheld)
18-0019
LESLIE & CAMPBELL INC$13,331
Nov 20, 2018Hanger Building 4006 Roof Repair
18-0020
LESLIE & CAMPBELL INC$4,462
Oct 19, 20182018 Fall Rubber RemovalSTRIPE RITE INC$10,750
Aug 24, 2018Taxi G Pavement Maintenance
10135.003
GRANITE CONSTRUCTION COMPANY$127,486
Aug 20, 2018Pivot Modifications
18-016
SKONE IRRIGATION INC$10,602
Aug 7, 2018Risso Improvements
18-015
M & M EXCAVATING LLC$30,128
Jul 25, 2018Fire Station Building 2101 Reroof
2101
LESLIE & CAMPBELL INC$227,262
Jun 21, 2018Removal Of Runway RubberSTRIPE RITE INC$11,250
Jun 19, 2018MWH Flasher InstallCOLVICO INC$16,966
May 30, 2018Project 18-006 Gate A-1Northwest Fence Company Inc$41,264
May 10, 2018Grant County International Airport
509-762-5363
GALE CONTRACTOR SERVICES$22,000
Apr 25, 2018airport asphalt project
18-005
M & M EXCAVATING LLC$37,226
Apr 5, 2018Pond Liner RepairMEIER CONSTRUCTION LLC$960
Dec 27, 2017ATS Fence Realignment
17-017
M & M EXCAVATING LLC$25,767
Nov 21, 2017ALCS BRITE INSTALLAIRSIDE SOLUTIONS INC$39,707
Oct 31, 2017Industrial Building
17-016-3303 Sidewalk
SLABJACK GEOTECHNICAL$6,977
Oct 11, 20172017 Metal Roof System Repair & CoatingARROW ROOFING & SHEET MTL INC$117,585
Oct 4, 201720TH AVENUE PAVEMENT
17-013
CENTRAL WASHINGTON ASPHALT INC$26,220
Aug 7, 2017Farm House Building Demolition
17-003
NORTH CENTRAL WASH FENCE LLC$2,572
Jul 21, 2017Fuel ContainmentMCBOYZ CONTRACTING LLC$32,540
Jul 17, 2017Miscellaneous Sign Changes
13781
GRAYBEAL SIGNS INC$4,089
Jul 6, 2017(title withheld)SERVICEMASTER CLEANING & RESTO$2,074
Jul 5, 20172017 Rubber and / or paint deposit removal
17-008
STRIPE RITE INC$11,600
Jun 27, 2017Farmhouse Building Demolition
17-003
M & M EXCAVATING LLC$78,967
Jun 9, 2017Rubber / Paint Deposit Removal
17-008
ROAD PRODUCTS INC$8,699
May 25, 2017Misc Sign Changes
13749
GRAYBEAL SIGNS INC$1,908
Apr 24, 2017Rate of Rise Valve Replacement Bldg 5820
17-007
BLUE MOUNTAIN FIRE PROTECT INC$218,714
Mar 24, 2017MOSES LAKE IRON CROSS PROJECT
17-004 IRON CROSS
NORTH CENTRAL CONSTRUCTION INC$297,804
Oct 26, 2016Compass Rose
Project No. 16-008
STRIPE RITE INC$29,192
Oct 20, 2016RepairABC FENCING$2,898
Oct 17, 2016Building #-2114 Building
16-013 2114 West Roof
ARROW ROOFING & SHEET MTL INC$38,521
Oct 11, 20164006 Office Roof at POML Int Airport
16-014
ARROW ROOFING & SHEET MTL INC$32,798
Sep 19, 20162016 Utility Extension EDA Grant Project
16-003
APOLLO INC$1,232,218
Aug 23, 20162016 Single-Ply Salvage & Recover Roof Porject
16053-R
M G WAGNER CO INC$129,285
Jul 5, 2016Waste Water Construction Modification
16-007
SKONE IRRIGATION INC$135,375
Jun 14, 2016Project No. 16-004
Project No. 16-004
ABC FENCING$10,386
Jun 8, 2016Cafe Hood Replacement
16-005
M CAMPBELL & COMPANY INC$37,740
Jun 8, 2016Offices and Common Area
1022
SKAUG BROTHERS INC$17,645
Jun 8, 2016Project No. 16-004
Project No. 16-004
ABC FENCING$10,386
Jun 7, 2016PORT OF MOSES LAKE GENIE BLDG #5820
16-001
KRUEGER SHEET METAL CO$791,276
May 19, 2016Removal of Runway Rubber/Paint DepositsMAXWELL ASPHALT INC$45,696
May 6, 2016Port of Moses Lake
2016
J & T Cleaners Inc.$23,944
Feb 3, 2016Main Building DemoSERVICEMASTER CLEANING & RESTO$2,093
Jan 21, 201615-025 Pump Testing Irrigation WellsLAYNE OF WASHINGTON INC$25,896
Nov 30, 2015Pivot Irrigation Project
15-023
SKONE IRRIGATION INC$277,303
Nov 18, 20152015 CANTILEVER SLIDE GATES
15-016
PERIMETER SECURITY GROUP LLC$175,592
Nov 6, 20152015 Groundwater Monitoring Expansion
15-014
HOLT SERVICES INC$101,966
Sep 30, 2015Runway/Taxiway Painting/Striping Port Of Moses Lake grant County Int'l Airport
Project#15-020
STRIPE RITE INC$90,000
Sep 28, 2015Parking Lot Sealcoat, Repair and Striping
#15-022
CENTRAL SEALCOAT LLC$15,202
Sep 18, 2015Rubber and/or paint deposit removal
15-008
UNICEN IMPEX INC$37,576
Sep 8, 2015EMERGENCY ACCESS ROAD
AIP 3-53-0039-041
GRANITE CONSTRUCTION COMPANY$416,810
Sep 3, 2015RUBBER AND/OR PAINT DEPOSIT REMOVAL
15-008
UNICEN INDUSTRIES$37,576
Jul 21, 2015ATS Sewer Line Repair
Project No. 15-018
ADVANCED EXCAVATION INC$19,621
Jun 30, 2015Road repairQUALITY PAVING INC$11,783
Jun 17, 2015Bldg 2115 MS Electrical
15-013
J & M ELECTRIC INC$17,891
May 13, 2015RUBBER AND/OR PAINT DEPOSIT REMOVAL
15-008
UNICEN INDUSTRIES$9,859
May 4, 2015POML-2015 Roof Project-BUR Removal & Replacement/Salvage
15021
M G WAGNER CO INC$492,691
Apr 30, 2015Existing Sign Restoration
1221.1
GRAYBEAL SIGNS INC$8,340
Apr 27, 2015Rate of Rise Valve Replacement Bldg. 5820
15-007
BLUE MOUNTAIN FIRE PROTECT INC$209,531
Apr 22, 2015Bldg 2521HOMESLEY CONSTRUCTION INC$2,380
Apr 22, 2015Mini HouseHOMESLEY CONSTRUCTION INC$2,628
Apr 8, 2015Concrete Removal
14-006
TOMMER CONSTRUCTION COMPANY$49,391
Mar 16, 2015Landscaping 2015
15-006
TATUM LAWN CARE INC$16,455
Feb 12, 2015Englar Building Sheet Rock
14-023
INSULATION MASTER INC$16,940
Jan 27, 2015BLDG. 2115 WATER FIRE PROTECTION LINE
14-025
ADVANCED EXCAVATION INC$126,191
Jan 27, 2015WATER AND SEWER LINE PROJECT
14-024
ADVANCED EXCAVATION INC$85,875

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
AAA Readymix, Inc. II14
ADVANCED EXCAVATION INC7
ARROW ROOFING & SHEET MTL INC5
BASIN REFRIGERATION & HTG INC5
CENTRAL WASHINGTON ASPHALT INC14
GRAYBEAL SIGNS INC7
HOMESLEY CONSTRUCTION INC12
INLAND ASPHALT CO8
J & M ELECTRIC INC8
JOHNSON CONTROLS FIRE PRTTN LP16
LESLIE & CAMPBELL INC6
M G WAGNER CO INC6
NEPPEL ELECTRIC & CONTROLS LLC12
NORTH CENTRAL CONSTRUCTION INC6
POLHAMUS HEATING & A/C INC24
PORTER W YETT COMPANY7
QUALITY PAVING INC5
ROAD PRODUCTS INC6
SKONE IRRIGATION INC5
SPECIALTY ENVIRONMENTAL5
STRIPE RITE INC16
TATUM LAWN CARE INC5
Terra Development Services, Inc.6
TOMMER CONSTRUCTION COMPANY5
UNICEN INDUSTRIES15

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