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2025-2028 Suffolk County Local Design Services Agreement List

To obtain the Expressions of Interests (EOIs) for each of the below listed firms please contact Jesse Mygland at:
Telephone: 631-852-4186
Email: jesse.mygland@suffolkcountyny.gov


Firm/Sub Firms Contact Information

AECOM USA, Inc.

CSM Engineering, P.C.

Haider Engineering, P.C.

Hayduk Engineering, LLC

Hirani Engineering & Land Surveying, P.C.

Infra Tech Engineering LLC

Zetlin Strategic Communications

605 Third Avenue
New York, NY 10158
Christopher Cotter, Vice President
(631)-393-5049

Greenman-Pedersen, Inc.

L.K. McLean Associates Engineering & Surveying, D. P.C.

P.W. Grosser Consulting

CSA Group NY, Architects and Engineers, P.C.

ALRA Engineers, P.C.

TriState Planning Engineering & Land Surveying, P.C.

Infra Tech Engineering LLC

Hayduk Engineering, LLC

325 West Main Street
Babylon, NY 11702
Gregory Zenk, P.E.
Executive Vice President/Branch Manager
(631)-587-5060

Hardesty & Hanover, LLC

Afridi Associates

AKRF, Inc.

Azar Design Co, Architecture, Landscape Architecture, Engineering & Surveying, PC

Environmental Planning & Management, Inc.

GEI Consultants Engineering, Geology, Architecture & Landscape Architecture

KAG Engineering, PLLC

SAM/GdB Geospatial Land Surveying and Engineering, P.C.

TriState Planning Engineering & Land Surveying, P.C.

532 Broadhaollow Road, Suite 144
Melville, NY 11747
David Lapping, PTP
Principal Associate Project Director
(646)-428-8523

LiRo Engineers, Inc.

TriState Planning Engineering & Land Surveying P.C.

CSM Engineering P.C.

Zetlin Strategic Communications, Inc.

KAG Engineering, PLLC

GEI Consultants, Inc., P.C.

3 Aerial Way
Syosset, NY 11791
Panagiotis (Peter) Koklanos, P.E.
Senior Vice President
(516)-938-5476

Lockwood, Kessler & Bartlett, Inc.

VHB Engineering, Surveying, Landscape Architecture and Geology, P.C.

Afridi Associates

Zetlin Strategic Communications, Inc.

CSM Engineering P.C.

TriState Planning Engineering & Land Surveying P.C.

Environmental Planning & Management, Inc.

NASCO Construction Services, Inc.

One Aerial Way
Syosset, NY 11791
David Macedonio, Principal-in-Charge
(516)-210-8983

L.K. McLean Associates Engineering & Surveying, D.P.C.

Greenman-Pedersen, Inc.

GEI Consultants, Inc.

D&B Engineers and Architects

CSM Engineering P.C.

Alra Engineering

KAG Engineering, PLLC

Hayduk Engineering, LLC

437 South Country Road
Brookhaven, NY 11719
Robert Steele, P.E.,
President & Chief Executive Officer
(631)-286-8668 X 239

M & J Engineering, D.P.C.

CSM Engineering, P.C.

ELLANA, Inc.

GEI Consultants, Inc.

Land, Air, Water Environmental Services, Inc.

L.K. McLean Associates Engineering & Surveying, D.P.C.

M.G. McLaren Engineering and Land Surveying, P.C.

P.W. Grosser Consulting, Inc.

Siddiqui Engineering and Land Surveying, P.C.

110 Bi-County Boulevard, Suite 101
Farmingdale, NY 11735
John Schreck, P.E., Senior Vice President
(516)-575-8357

N & P Engineering, Architecture and Land Surveying, PLLC

KAG Engineering, PLLC

TriState Planning Engineering & Land Surveying, P.C.

Nelson, Pope & Voorhis, LLC

ZOFS Engineering P.C.

Hayduk Engineering LLC

Terry Bergendorff Collins Land Surveying PLLC

70 Maxess Road
Melville, NY 11747
Eric J. McFerran, P.E., Senior Partner
(631)-427-5665

NV5 New York – Engineers, Architects, Landscape Architects and Surveyors

VHB Engineering, Surveying, Landscape Architecture and Geology, P.C.

Tri State Planning Engineering & Land Surveying, PC

CSM Engineering, P.C.

GEI Consultants

KAG Engineering, PLLC

40 Marcus Drive, Suite 201
Melville, NY 11747
Stephen Normandin, P.E., Managing Director
(631)-891-3200

VHB Engineering, Surveying, Landscape Architecture and Geology, P.C.

Gannett Fleming Engineers and Architects, P.C.

CSM Engineering P.C.

NV5 New York – Engineers, Architects, Landscape Architects and Surveyors

Hayduk Engineering, LLC

GEI Consultants, Inc. DBA GEI Consultants Engineering, Geology, Architecture & Landscape Architecture

100 Motor Parkway, Suite 350
Hauppauge, NY 11788
Louis Bekofsky, Managing Director
(631) 787-3489

Suffolk County Government

H. Lee Dennison Bldg

100 Veterans Memorial Hwy
P.O. Box 6100
Hauppauge, NY 11788

Riverhead County Center

County Road 51
Riverhead, NY 11901