Air quality (B502): United States public contracts since 2024

Name: Air quality (B502): United States public contracts since 2024
Creator: Assay Systems
License: https://www.usa.gov/government-works

Updated 17 October 2026 · all lines

Air quality (B502): United States public contracts since 2024. Since January 2024 the line carries 85 contracts worth $25,297,672 from 11 agencies. 47 suppliers share it. $8,195,584 in 2024. $10,044,487 in 2025. $7,057,601 in 2026.

Assay record ASY-US-0NWMMSZ1AN · Cite as: Assay Systems, “Air quality (B502): United States public contracts since 2024”, https://assay-systems.com/register/us/line/air-quality/

The line

Since January 2024 the line carries 85 contracts worth $25,297,672 from 11 agencies. 47 suppliers share it.

$8,195,584 in 2024. $10,044,487 in 2025. $7,057,601 in 2026.

Suppliers in the line, by value since 2024

UNIVERSITY OF CALIFORNIA, DAVIS: 4 contracts worth $10,918,234 from 1 agency since 2024, up 58 percent on 2022 to 2023.
AIR RESOURCE SPECIALISTS, INC: 13 contracts worth $8,089,080 from 1 agency since 2024, up 35 percent on 2022 to 2023.
NEVADA SYSTEM OF HIGHER EDUCATION: 4 contracts worth $2,488,096 from 1 agency since 2024, up 14 percent on 2022 to 2023.
H & L ENVIRONMENTAL SERVICES, LLC: 1 contract worth $1,510,171 from 1 agency since 2024.
RESEARCH TRIANGLE INSTITUTE: 1 contract worth $420,075 from 1 agency since 2024.
ERO RESOURCES CORPORATION: 1 contract worth $305,220 from 1 agency since 2024.
TRINE ENVIRONMENTAL INC: 9 contracts worth $286,055 from 1 agency since 2024.
ULTRAPURE AIR, LLC: 1 contract worth $150,000 from 1 agency since 2024.
JANICKE GBR INGENIEURBURO FUR UMWELTPHYSIK: 3 contracts worth $120,890 from 1 agency since 2024.
SATORI DEFENSE LLC: 1 contract worth $108,869 from 1 agency since 2024.
UV PARTNERS INC: 1 contract worth $88,952 from 1 agency since 2024.
STATE BOARD FOR COMMUNITY COLLEGES & OCC: 1 contract worth $78,650 from 1 agency since 2024.
DIRECT OPTICS INC.: 1 contract worth $62,500 from 1 agency since 2024.
MES SERVICE COMPANY, LLC: 1 contract worth $60,000 from 1 agency since 2024.
AEHS INCORPORATED: 1 contract worth $58,493 from 1 agency since 2024.
ROCHESTER INSTITUTE OF TECHNOLOGY: 1 contract worth $46,300 from 1 agency since 2024.
SPI CONTRACTING LLC: 1 contract worth $45,600 from 1 agency since 2024.
I-2-I SOLUTIONS, INC.: 1 contract worth $45,500 from 1 agency since 2024.
ENVIRONMENTAL CONSULTING GROUP, INC.: 1 contract worth $42,777 from 1 agency since 2024.
CONSOLIDATED ANALYTICAL SYSTEMS INC: 1 contract worth $38,466 from 1 agency since 2024.
AQUEHS, CORP: 1 contract worth $34,500 from 1 agency since 2024.
SAGE-EFS JV: 8 contracts worth $30,706 from 1 agency since 2024.
METCUT RESEARCH ASSOCIATES INC.: 1 contract worth $30,153 from 1 agency since 2024.
EASTERN NEW MEXICO UNIVERSITY: 1 contract worth $29,664 from 1 agency since 2024.
TEXAS COMMISSION ON ENVIRONMENTAL QUALITY: 1 contract worth $22,994 from 1 agency since 2024.
THUNDERBIRD-HRP JV LLC: 1 contract worth $17,372 from 1 agency since 2024.
KANE ENVIRONMENTAL, INC.: 1 contract worth $15,786 from 1 agency since 2024.
MABBETT & ASSOCIATES, INC.: 1 contract worth $14,125 from 1 agency since 2024.
AUGUST MACK ENVIRONMENTAL, INC.: 1 contract worth $14,000 from 1 agency since 2024.
COTERIE ENVIRONMENTAL LLC: 1 contract worth $12,757 from 1 agency since 2024.
TITAN GLOBAL USA LLC: 1 contract worth $12,302 from 1 agency since 2024.
AIR TECHNOLOGY LABORATORIES, INC: 1 contract worth $11,040 from 1 agency since 2024.
CLEARAIR, INC.: 1 contract worth $10,990 from 1 agency since 2024.
ATI, INC.: 3 contracts worth $9,954 from 1 agency since 2024.
AIR ANALYTICS LLC: 1 contract worth $9,500 from 1 agency since 2024.
CTEH GOVERNMENT SERVICES LLC: 1 contract worth $8,317 from 1 agency since 2024.
PHASE ASSOCIATES LLC: 1 contract worth $6,598 from 1 agency since 2024.
POWELL, DALE E.: 1 contract worth $5,880 from 1 agency since 2024.
APPLIED WATER TECHNOLOGY, INC.: 1 contract worth $5,800 from 1 agency since 2024.
GREEN 2 GREEN CONSULTING LLC: 1 contract worth $5,454 from 1 agency since 2024.
SIERRA PIEDMONT, INC: 1 contract worth $4,950 from 1 agency since 2024.
SGS NORTH AMERICA INC.: 2 contracts worth $4,795 from 1 agency since 2024.
ONTERRIS, INC.: 1 contract worth $4,050 from 1 agency since 2024.
GPC CONSOLIDATED REPORTING: 1 contract worth $4,003 from 1 agency since 2024.
OCCUPATIONAL SERVICES, INC.: 1 contract worth $3,480 from 1 agency since 2024.
EI GROUP INC: 1 contract worth $3,270 from 1 agency since 2024.
NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY: 1 contract worth $1,304 from 1 agency since 2024.

The extract for this line

Names every department and buying office behind the figures, who holds each contract now, its value, contract number and end date, the open notices with their closing dates, and the notices behind every figure.

Request extract See a sample extract Ask about this line

Largest suppliers in the line

Share of the line held by each of its largest suppliers, by value, in the USAspending register.

All suppliers in United States, A to Z

Source: USAspending.gov, U.S. Department of the Treasury, Bureau of the Fiscal Service, usaspending.gov, accessed 30 September 2026.The data is available to copy, adapt, redistribute, or otherwise use for non-commercial or for commercial purposes (USAspending.gov, Licensing); no Dun & Bradstreet data is shown.