# Water supply and irrigation systems contractors in Maryland

Source page: https://datainside.ai/directory/industries/221310/md

5 companies won 5 federal contract awards worth $855,952 for water supply and irrigation systems (NAICS 221310) in Maryland in our record (2026-08-05 to 2026-11-12).

## Companies winning this work
| # | Company | UEI | Awards | Obligated | Latest award |
|---|---|---|---|---|---|
| 1 | [Washington Suburban Sanitary Commission](https://datainside.ai/companies/washington-suburban-sanitary-commission-55a0c9637021) | SP9FP3K5LZS4 | 1 | $327,807 | 2026-08-05 |
| 2 | [Caldaia Controls LLC](https://datainside.ai/companies/caldaia-controls-llc-c8510ce45238) | TFP4DN2MZBL7 | 1 | $306,440 | 2026-09-18 |
| 3 | [Nalco Company LLC](https://datainside.ai/companies/nalco-company-llc-518107685030) | M4BHFR4QMUL5 | 1 | $161,553 | 2026-08-27 |
| 4 | [Evoqua Water Technologies LLC](https://datainside.ai/companies/evoqua-water-technologies-llc-2f8bf65256e7) | HA3GWLK3JK58 | 1 | $43,434 | 2026-11-12 |
| 5 | [Neu-Ion, Inc.](https://datainside.ai/companies/neu-ion-inc-10a52b683850) | RGF1VPYZ4U13 | 1 | $16,718 | 2026-10-14 |

## Agencies buying
- [Department of Veterans Affairs](https://datainside.ai/agencies/department-of-veterans-affairs): $511,427, 3 companies
- [Department of Health and Human Services](https://datainside.ai/agencies/department-of-health-and-human-services): $344,525, 2 companies

## Cities where the work is
- Baltimore: $511,427, 3 companies
- Laurel: $327,807, 1 company
- Windsor Mill: $16,718, 1 company

## Latest awards
| Company | Agency | Obligated | Signed | Record |
|---|---|---|---|---|
| Evoqua Water Technologies LLC | Department of Veterans Affairs | $43,434 | 2026-11-12 | https://www.usaspending.gov/award/CONT_AWD_36C24527P0065_3600_-NONE-_-NONE- |
| Neu-Ion, Inc. | National Institutes of Health | $16,718 | 2026-10-14 | https://www.usaspending.gov/award/CONT_AWD_75N98027P00002_7529_-NONE-_-NONE- |
| Caldaia Controls LLC | Department of Veterans Affairs | $306,440 | 2026-09-18 | https://www.usaspending.gov/award/CONT_AWD_36C24526P0637_3600_-NONE-_-NONE- |
| Nalco Company LLC | Department of Veterans Affairs | $161,553 | 2026-08-27 | https://www.usaspending.gov/award/CONT_AWD_36C24526P0567_3600_-NONE-_-NONE- |
| Washington Suburban Sanitary Commission | National Institutes of Health | $327,807 | 2026-08-05 | https://www.usaspending.gov/award/CONT_AWD_75N91026P00027_7529_-NONE-_-NONE- |

Data: DataInside, from USAspending.gov. Award totals are federal obligations, not company revenue.