# SMI Companies > Heavy civil construction, site development, and environmental services across the Mid-Atlantic region. MBE/DBE certified since 1998. SMI Companies (SMI Services LLC) is a full-spectrum site development and heavy civil construction firm headquartered in Bowie, Maryland. With 200+ employees across 4 offices, we serve Maryland, Virginia, Washington D.C., Delaware, and Pennsylvania. ## Key Facts - Founded: 1998 - Headquarters: Bowie, Maryland - Employees: 200+ - Projects completed: 5,000+ - States served: MD, VA, DC, DE, PA - Certifications: VOSB, MBE/DBE, VSBE, ABC STEP, OSHA compliant - Licensed general contractor in MD, VA, DC, PA, and DE - Bonded and insured ## 8 Core Service Divisions 1. Heavy Civil Site Work — Large-scale civil construction including roads, utilities, and infrastructure 2. Earthwork & Grading — Site grading, excavation, land clearing, and fill operations 3. Erosion Control / Site Stabilization — Sediment control, SWPPP compliance, and environmental protection 4. Stormwater Management — BMP installation, retention/detention systems, and drainage solutions 5. Irrigation, Lighting & Landscaping — Commercial irrigation systems, site lighting, and landscape installation 6. Site Management — Ongoing site maintenance, monitoring, and project oversight 7. Builder & Developer Services — Turnkey site preparation for residential and commercial developers 8. Special Projects — Custom scope work, emergency response, and unique construction challenges ## Client Types - Builders and developers (D.R. Horton, Ryan Homes, Lennar, Beazer Homes) - Commercial general contractors (Whiting-Turner, Coakley Williams) - State highway agencies - Local and state government - Municipal infrastructure projects ## Offices - Bowie, MD (Headquarters): (301) 464-7660 - DC Metro (Washington D.C. Region): (301) 464-7660 - Selbyville, DE (Eastern Shore): (302) 436-4410 - Kenton, DE (Central Delaware): (302) 514-9681 ## Pages - [Homepage](https://www.smicompanies.net/) — Company overview, featured projects, partner logos, and service preview - [Services](https://www.smicompanies.net/services) — All 8 service divisions with descriptions, 5-step delivery process, certifications, and FAQ - [Our Work](https://www.smicompanies.net/work) — Portfolio of 5,000+ completed projects with category filtering - [About](https://www.smicompanies.net/about) — Company history from 1998, timeline, core values, mission, certifications, and service area - [Careers](https://www.smicompanies.net/careers) — Open positions with job descriptions and online application form - [Contact](https://www.smicompanies.net/contact) — 4 office locations, phone numbers, request estimate and general inquiry forms ## Certifications - VOSB Certified — Veteran-Owned Small Business (federal) - MBE/DBE Certified — Certified Minority Business Enterprise for state and federal contracting - VSBE Certified — Veterans Small Business Enterprise (Maryland) - ABC STEP Safety Program — Demonstrates commitment to safety excellence - OSHA Compliant — Full compliance across all operations - Licensed General Contractor — MD, VA, DC, PA, DE - Bonded & Insured — Comprehensive coverage for projects of any scale ## Service Area Maryland, Virginia, Washington D.C., Delaware, and Pennsylvania. Primary operations concentrated in the Mid-Atlantic corridor with headquarters in Bowie, Maryland (Prince George's County). ## FAQ Q: What is your typical project timeline? A: Timelines vary based on scope and complexity. Small grading or utility projects may take a few weeks, while large-scale site development can span several months. We provide detailed scheduling during the estimate phase. Q: Do you handle permitting and regulatory compliance? A: Yes. Our team manages permitting, SWPPP compliance, erosion control plans, and all regulatory requirements. We work closely with local authorities to ensure projects stay on track and fully compliant. Q: What geographic areas do you serve? A: We operate across the Mid-Atlantic region including Maryland, Virginia, Washington D.C., Pennsylvania, and Delaware. Our headquarters is in Bowie, Maryland, and we mobilize crews throughout the region. Q: What size projects do you take on? A: From single-lot residential pads to large commercial developments and municipal infrastructure, we handle projects of all sizes. Our fleet and team scale to match the demands of each job. Q: Are you bonded and insured? A: Absolutely. SMI Companies is fully bonded and insured, carrying comprehensive general liability and workers' compensation coverage. Certificates of insurance available upon request. ## Contact Website: https://www.smicompanies.net Phone: (301) 464-7660 Email: info@smiservices.com Facebook: https://www.facebook.com/SMICompaniesInc Instagram: https://www.instagram.com/smi_services_llc LinkedIn: https://www.linkedin.com/company/smi-services-environmental-companies