JOSEPH L. WINKLER, CO., INC.
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237990 - Other Heavy and Civil Engineering Construction (SPECIFICALLY: SEDIMENT CONTROL; STORM WATER MANAGEMENT; BIO-RETENTION PONDS); 238910 - Site Preparation Contractors
Certifications
| Type | State | Agency | Certificate # |
|---|---|---|---|
| DBE | Maryland | Maryland Department of Transportation | — |
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