South Coast Air Quality Management District

179 public works projects registered with the California Department of Industrial Relations, 2015–2026 · Diamond Bar, Los Angeles County. Reported contract value: $7,166,508.

Projects by year

YearProjectsReported contract value
202613$3,650,428
20259$1,266,782
202412$2,249,298
20237—
20228—
20217—
202015—
201920—
20188—
201729—
201622—
201529—

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

Types of work

  • Other · 50
  • Buildings & facilities · 35
  • HVAC & mechanical · 24
  • Electrical, low voltage & AV · 18
  • Painting & flooring · 17
  • Solar, EV & energy · 9
  • Parks, landscape & fields · 7
  • Roofing · 5
  • Fire & life safety · 4
  • Elevators & conveying · 3
  • Paving & streets · 2
  • Concrete & masonry · 1

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

Contractors it awards most

Prime contractorProjectsReported contract value
Insight Public Sector, Inc.5$458,587
CONSOLIDATED DISPOSAL SERVICE, L.L.C.3$2,347,365
LOGICALIS INC2$76,801
Republic Waste Services of Southern Cali1$1,500,000
GREENWEALTH ENERGY SOLUTIONS INC1$723,248
GREEN CONVERGENCE1$267,899
NATIONAL RELOCATION SERVICES INC1$132,488
JEMSTAR INC DBA JEMSTAR CONSTRUCTION SERVICES1$85,750
FLOOR TECH AMERICA INC1$71,772
THE ROTARY SPECIALISTS1$47,490
CASHEL CORPORATION1$46,672
S G V ENTERPRISES INC DBA S G V CONSTRUCTION1$24,365
POWER PLUS1$18,754
R.F. MacDonald Co., Inc.1$16,900
GOLD COAST FENCE1$14,030

Latest projects

DateProjectPrime contractorContract amount
Oct 30, 2026Anaheim Ph 2Solar, EV & energyRepublic Waste Services of Southern Cali$1,500,000
Oct 19, 2026Gardena Ph1 Pt2Solar, EV & energyCONSOLIDATED DISPOSAL SERVICE, L.L.C.$1,383,501
Sep 23, 20263 Air Handler Replacement 2026OtherTHE ROTARY SPECIALISTS$47,490
Sep 17, 20262026-27 BOILER MAINTENANCEHVAC & mechanicalR.F. MacDonald Co., Inc.$16,900
Sep 1, 2026CONCRETE FOUNDATION ETIWANDA-ONTARIOPaving & streetsS G V ENTERPRISES INC DBA S G V CONSTRUCTION$24,365
Jul 31, 2026ANAHEIM POLARIS HIGH SCHOOL PHASE 1Electrical, low voltage & AVPOWER PLUS$18,754
Jun 5, 2026Battery Backup SystemsOtherGREEN CONVERGENCE$267,899
May 28, 2026Azure VPN Router RefreshOtherLOGICALIS INC$38,565
May 28, 2026Telemetry Router RefreshOtherInsight Public Sector, Inc.$60,008
May 28, 2026Internet Router RefreshOtherLOGICALIS INC$38,237
May 15, 2026SCAQMD Air Compressor Pump ReplacementBuildings & facilitiesPUMP ENGINEERING COMPANY$22,322
Apr 3, 20263RD FLOOR TEARDOWNBuildings & facilitiesNATIONAL RELOCATION SERVICES INC$132,488
Jan 27, 2026Network Equipment Refresh Ground N & EElectrical, low voltage & AVInsight Public Sector, Inc.$99,899
Dec 11, 2025Network Equipment Refresh 12/2025Electrical, low voltage & AVInsight Public Sector, Inc.$99,899
Sep 23, 2025ADA Compliant Parking SpacesOther—$19,261
Jul 29, 2025FY 25/26 ANNUAL SERVICE/MAINTENANCEHVAC & mechanical—$21,400
May 29, 2025THIRD FLOOR CARPET INSTALLATION PROJECTPainting & flooringFLOOR TECH AMERICA INC$71,772
May 27, 2025CHILD CARE FULL ROOF RECONDITION/REPAIRRoofingJEMSTAR INC DBA JEMSTAR CONSTRUCTION SERVICES$85,750
Mar 13, 2025Phase 5 Distribution and Edge NetworkElectrical, low voltage & AVInsight Public Sector, Inc.$99,390
Jan 31, 2025Network Equipment Refresh Phase 4Electrical, low voltage & AVInsight Public Sector, Inc.$99,390
Jan 10, 2025EV Charging InfrastructureSolar, EV & energyGREENWEALTH ENERGY SOLUTIONS INC$723,248
Jan 7, 2025SCAQMD GB Room AV UpgradeElectrical, low voltage & AVCASHEL CORPORATION$46,672
Dec 19, 2024ONTARIO CHAIN LINK FENCINGBuildings & facilitiesGOLD COAST FENCE$14,030
Nov 12, 2024Fire Sprinkler RepairsFire & life safety—$42,413
Oct 30, 2024AQMD/TUFF Shed Electrical upgradeElectrical, low voltage & AV1ST CHOICE ELECTRIC INC$33,045

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