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Top Environmental Engineering Firms in Washington DC

Looking to get in touch with an environmental engineering firm in Washington, DC? Connect with a qualified environmental engineer and filter by specialty, price, reviews and more.
Ratings Updated: April 3, 2026
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0 Leaders 14 Contenders

14 Companies

Country: United States
State: District of Columbia
City: Washington
Engineering Focus: Environmental Engineering

List of the Top Washington DC Environmental Engineering Services

  • Milhouse Engineering and Construction, Inc. Logotype

    Not yet reviewed

    $250,000+
    Undisclosed
    250 - 999
    Washington, DC

    Services provided

    100% Engineering

    Focus Areas

    20% Environmental Engineering
    20% Civil Engineering
    20% Electrical Engineering +2
    20% Mechanical Engineering
    20% Structural Engineering

    Milhouse Engineering and Construction, Inc. Is a Chicago, Illinois-based Engineering company. They offer Engineering and were established in 2001.

    Read more

    Washington, DC

    100 M Street Southeast
    Washington, DC 20003

    21 - 30

    (202) 749-8667

    See All Locations (2)
    View Profile
  • Reema Consulting Services, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Gaithersburg, MD

    Services provided

    20% Engineering
    50% Accounting
    20% Back Office Outsourcing +1
    10% IT Managed Services

    Focus Areas

    100% Environmental Engineering

    Accounting company Reema Consulting Services, Inc. Specializes in Accounting and Back Office Outsourcing. They are headquartered in Gaithersburg, Maryland.

    Read more
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  • IBSS Corp Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Silver Spring, MD

    Services provided

    20% Engineering
    30% Business Consulting
    20% Cloud Consulting & SI +2
    20% Cybersecurity
    10% Financial Consulting

    Focus Areas

    100% Environmental Engineering

    IBSS Corp is a midsize Business Consulting company based in Silver Spring, Maryland. Their services include Business Consulting and cloud consulting & SI.

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  • Inspection Experts, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Columbia, MD

    Services provided

    70% Engineering
    30% Commercial Property Management

    Focus Areas

    100% Environmental Engineering

    Inspection Experts, Inc. Is an Engineering company. The Lincoln, Nebraska-based agency was launched in 2004. Their services include Engineering and Commercial Property Management.

    Read more

    Columbia, MD

    9250 Rumsey Rd, Suite 106
    Columbia, MD 21045

    2 - 5

    See All Locations (3)
    View Profile
  • Endyna, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    McLean, VA

    Services provided

    30% Engineering
    40% Cybersecurity
    30% Business Consulting

    Focus Areas

    100% Environmental Engineering

    Cybersecurity company Endyna, Inc. Was launched in 1999. In McLean, Virginia, the team provides Cybersecurity and Business Consulting.

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  • Nelson\Nygaard Consulting Associates Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Washington, DC

    Services provided

    20% Engineering
    60% Architectural Design
    20% Business Consulting

    Focus Areas

    100% Environmental Engineering

    Nelson\Nygaard Consulting Associates is a midsize Architectural Design company. They focus on Architectural Design and Business Consulting and were established in 1987.

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    Washington, DC

    1222 22nd St NW Suite 200
    Washington, DC 20037

    2 - 5

    +1.202.454.3175

    See All Locations (9)
    View Profile
  • Above Green Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Middleburg, VA

    Services provided

    50% Engineering
    50% Architectural Design

    Focus Areas

    100% Environmental Engineering

    Above Green is a small Architectural Design and Engineering company. Founded in 2007, the team offers Architectural Design and Engineering.

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  • WGI Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Arlington, VA

    Services provided

    40% Engineering
    40% Commercial Development
    20% Architectural Design

    Focus Areas

    20% Environmental Engineering
    30% Geotechnical Engineering
    20% Electrical Engineering +2
    20% Structural Engineering
    10% Civil Engineering

    Based in West Palm Beach, Florida and Arlington, Virginia, WGI is a Commercial Development company. They focus on Commercial Development and Engineering and were established in 1972.

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    Arlington, VA

    1201 Wilson Blvd
    Arlington, VA 22209

    2 - 5

    571.438.9440

    See All Locations (3)
    View Profile
  • Barton & Loguidice Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Annapolis, MD

    Services provided

    35% Engineering
    35% Commercial Development
    30% Architectural Design

    Focus Areas

    30% Environmental Engineering
    35% Civil Engineering
    35% Geotechnical Engineering

    Barton & Loguidice, a Commercial Development company, specializes in Commercial Development and Engineering. The company is based in Salina, New York and Albany, New York.

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    Annapolis, MD

    116 Defense Highway, Suite 309
    Annapolis, MD 21401

    (443) 949-0106

    See All Locations (4)
    View Profile
  • Charles P. Johnson & Associates, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Silver Spring, MD

    Services provided

    40% Engineering
    40% Commercial Development
    20% Architectural Design

    Focus Areas

    50% Environmental Engineering
    50% Civil Engineering

    Charles P. Johnson & Associates, Inc. Is a Commercial Development company. They were founded in 1971, and their services include Commercial Development and Engineering.

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  • AULtec, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Gaithersburg, MD

    Services provided

    60% Engineering
    40% Commercial Development

    Focus Areas

    40% Environmental Engineering
    60% Civil Engineering

    AULtec, Inc. Is a small Engineering company founded in 1994. Their team specializes in Engineering and Commercial Development.

    Read more
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  • McCrone | Hartwell Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Annapolis, MD

    Services provided

    50% Engineering
    50% Commercial Development

    Focus Areas

    30% Environmental Engineering
    70% Civil Engineering

    Founded in 1937, McCrone | Hartwell is a Commercial Development and Engineering company. The agency focuses on Commercial Development and Engineering, and is small.

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  • Bengal Engineers LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Laurel, MD

    Services provided

    60% Engineering
    40% Commercial Development

    Focus Areas

    50% Environmental Engineering
    50% Civil Engineering

    Bengal Engineers LLC is an Engineering company. The agency is headquartered in Laurel, Maryland. Their services include Engineering and Commercial Development.

    Read more
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  • O2 Mold Testing Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Reston, VA

    Services provided

    50% Engineering
    50% Biohazard Cleanup

    Focus Areas

    50% Environmental Engineering
    50% Chemical Engineering

    O2 Mold Testing, a small Engineering and Biohazard Cleanup company, is headquartered in Reston, Virginia. The team focuses on Engineering and Biohazard Cleanup.

    Read more
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List of the Top Washington DC Environmental Engineering Services

  1. Milhouse Engineering and Construction, Inc. Logotype

    Milhouse Engineering and Construction, Inc.

    $250,000+
    Undisclosed
    250 - 999
    Washington, DC

    Ability to deliver

    10/40.0
    0/20 Reviews
    1.8/10 Clients & Experience
    8.3/10 Market Presence

    Service focus

    100% Engineering
    20% Environmental Engineering
    View Profile Visit Website
  2. Reema Consulting Services, Inc. Logotype

    Reema Consulting Services, Inc.

    Undisclosed
    Undisclosed
    2 - 9
    Gaithersburg, MD

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    20% Engineering
    100% Environmental Engineering
    80% Other
    View Profile Visit Website
  3. IBSS Corp Logotype

    IBSS Corp

    Undisclosed
    Undisclosed
    250 - 999
    Silver Spring, MD

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    20% Engineering
    100% Environmental Engineering
    80% Other
    View Profile Visit Website
  4. Inspection Experts, Inc. Logotype

    Inspection Experts, Inc.

    Undisclosed
    Undisclosed
    50 - 249
    Columbia, MD

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    70% Engineering
    100% Environmental Engineering
    30% Other
    View Profile Visit Website
  5. Endyna, Inc. Logotype

    Endyna, Inc.

    Undisclosed
    Undisclosed
    2 - 9
    McLean, VA

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    30% Engineering
    100% Environmental Engineering
    70% Other
    View Profile Visit Website
  6. Nelson\Nygaard Consulting Associates Logotype

    Nelson\Nygaard Consulting Associates

    Undisclosed
    Undisclosed
    50 - 249
    Washington, DC

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    20% Engineering
    100% Environmental Engineering
    80% Other
    View Profile Visit Website
  7. Above Green Logotype

    Above Green

    Undisclosed
    Undisclosed
    10 - 49
    Middleburg, VA

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    50% Engineering
    100% Environmental Engineering
    50% Other
    View Profile Visit Website
  8. WGI Logotype

    WGI

    Undisclosed
    Undisclosed
    250 - 999
    Arlington, VA

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    40% Engineering
    20% Environmental Engineering
    60% Other
    View Profile Visit Website
  9. Barton & Loguidice Logotype

    Barton & Loguidice

    Undisclosed
    Undisclosed
    250 - 999
    Annapolis, MD

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    35% Engineering
    30% Environmental Engineering
    65% Other
    View Profile Visit Website
  10. Charles P. Johnson & Associates, Inc. Logotype

    Charles P. Johnson & Associates, Inc.

    Undisclosed
    Undisclosed
    50 - 249
    Silver Spring, MD

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    40% Engineering
    50% Environmental Engineering
    60% Other
    View Profile Visit Website
  11. AULtec, Inc. Logotype

    AULtec, Inc.

    Undisclosed
    Undisclosed
    10 - 49
    Gaithersburg, MD

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    60% Engineering
    40% Environmental Engineering
    40% Other
    View Profile Visit Website
  12. McCrone | Hartwell Logotype

    McCrone | Hartwell

    Undisclosed
    Undisclosed
    10 - 49
    Annapolis, MD

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    50% Engineering
    30% Environmental Engineering
    50% Other
    View Profile Visit Website
  13. Bengal Engineers LLC Logotype

    Bengal Engineers LLC

    Undisclosed
    Undisclosed
    2 - 9
    Laurel, MD

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    60% Engineering
    50% Environmental Engineering
    40% Other
    View Profile Visit Website
  14. O2 Mold Testing Logotype

    O2 Mold Testing

    Undisclosed
    Undisclosed
    2 - 9
    Reston, VA

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    50% Engineering
    50% Environmental Engineering
    50% Other
    View Profile Visit Website

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