Orange County Sanitation District

1282 public works projects registered with the California Department of Industrial Relations, 2000–2026 · Fountain Valley, Orange County. Reported contract value: $413,328,210.

Projects by year

YearProjectsReported contract value
202645$45,149,148
202566$260,076,734
202473$84,912,862
2023111$1,174,805
202292—
2021101—
202092$4,893,205
201977—
201862—
2017158$11,770,000
2016161—
2015113—
201417—
20136—
201217—
20111—
20101—
20001—

DIR has published contract amounts since July 2024; earlier years count projects only.

Types of work

  • Other · 634
  • Sewer & wastewater · 118
  • Buildings & facilities · 105
  • HVAC & mechanical · 79
  • Water · 77
  • Electrical, low voltage & AV · 68
  • Roofing · 35
  • Design, inspection & consulting · 23
  • Paving & streets · 21
  • Fire & life safety · 20
  • Painting & flooring · 17
  • Concrete & masonry · 15

Inferred by Atriam from each project's name and description, not reported by the agency.

Contractors it awards most

Prime contractorProjectsReported contract value
JAMISON ENGINEERING CONTRACTORS INC37$3,182,657
BIG SKY ELECTRIC INC9$2,695,402
Cooper machinery services LLC7$29,052,738
THARSOS INC6$973,291
FECY WELDING SERVICES6$194,406
O'CONNELL ENGINEERING & CONSTRUCTION INC5$98,565
STRUCTURAL PRESERVATION SYSTEMS LLC4$2,875,254
GEA MECHANICAL EQUIPMENT US, INC4$889,707
Vicon Enterprise Inc3$2,150,500
LEED ELECTRIC INC3$1,310,888
BAKER ELECTRIC3$319,761
INNOVATIVE ENGINEERING AND MAINTENCE DBA MAINTENANCE TURNAROUND S3$182,347
Intersect Technology Insitute, Inc3$106,343
California Concrete Coatings, LLC3$66,900
INNOVATIVE CONSTRUCTION SOLUTIONS2$5,726,000

Latest projects

DateProjectPrime contractorContract amount
Oct 23, 2026Repairs on Camera SystemsOtherMAXIM SECURITY SYSTEM INC$100,000
Sep 25, 2026EMERGENCY REPAIRS AT CEN GENOtherCooper machinery services LLC$75,000
Sep 23, 2026Siphon Assessments in Anaheim, Newport BOtherHDR ENGINEERING, INC.$2,781,000
Sep 4, 2026Blower ModernizationBuildings & facilitiesONESOURCE DISTRIBUTORS$46,604
Sep 1, 2026TREE PRUNING & MAINTENANCEParks, landscape & fieldsWEST COAST ARBORISTS INC$80,000
Aug 26, 2026Clarifier Concrete and Leak RepairConcrete & masonryTHARSOS INC$18,325
Aug 25, 2026Headquarters Pantry Electrical ImprovemElectrical, low voltage & AVG A TECHNICAL SERVICES INC$81,487
Aug 19, 2026Westside PS GroutingOtherJAMISON ENGINEERING CONTRACTORS INC$15,150
Aug 10, 2026Hvac Chillers & EequipmentHVAC & mechanicalFACTORY AUTHORIZED SERVICE INC$50,000
Jul 30, 2026Digester #7 Urethane GroutingOtherHOWARD RIDLEY CO INC$26,980
Jul 14, 2026S-2026-722BDElectrical, low voltage & AVMINCO CONSTRUCTION$474,000
Jul 14, 2026Plant 2 HPDG PipeOtherDIVERSIFIED PROJECT SERVICES INTERNATION$39,815
Jul 1, 2026On-Call Odor Control ServicesOtherJAMISON ENGINEERING CONTRACTORS INC$106,400
Jun 24, 2026CenGen Instrument Air Compressors ReplacOtherLEED ELECTRIC INC$911,678
Jun 24, 2026Valve Replacements and Wet Well Access IWaterSTEVE P. RADOS, INC.$2,624,000
Jun 22, 2026P2 Gas Compressor HPDG line. A SCH 40 SOtherFECY WELDING SERVICES$85,777
Jun 5, 2026Slab Curtain Lido PSWaterSTRUCTURAL PRESERVATION SYSTEMS LLC$15,958
Jun 3, 2026CenGen EpoxyOtherCalifornia Concrete Coatings, LLC$19,350
May 29, 2026Edinger PS- Slip LineWaterDUKE'S ROOT CONTROL, INC.$26,800
May 27, 2026Support Buildings Seismic Improvements aBuildings & facilitiesICON WEST INC$21,808,000
May 19, 2026S-2026-715BDOtherRCS SAFETY LLC$188,570
May 19, 2026Dewatering #1 Major ServiceOtherGEA MECHANICAL EQUIPMENT US, INC$30,994
May 14, 2026Deficiency Repairs from UST Annual InspOtherWAYNE PERRY INC$16,850
May 2, 2026Audio & PA Services/ Repairs for P1 & P2Electrical, low voltage & AVELECTRONIC DESIGN SOLUTIONS INC$30,000
Apr 28, 2026LUBE OIL PILOT PROJECT T AND DOtherJAMISON ENGINEERING CONTRACTORS INC$84,750

Source: California Department of Industrial Relations public works project registrations (PWC-100), updated daily by Atriam.