Allied Member Directory

AIA Potomac Valley is proud to include the following Allied Members among our membership. If you would like information about becoming an Allied Member, please click here


Masonry Products Manager
P 301-793-7122
[email protected]

Tom Mitchell
Architectural Products Representative
P 301-927-8300
[email protected]

Mike Simon
Account Sales Manager
P 301-927-8300
[email protected]

Ernest Maier, Inc.
4700 Annapolis Road
Bladensburg, MD 20710
P 301-793-7122
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Since 1926 Ernest Maier has become the best and most trusted masonry block manufacturer serving the Washington DC metropolitan area. We provide concrete solutions to meet the needs of contractors, architects, designers and homeowners.

Nicole Dyer
Architectural Services Consultant
4871 Limestone Road
Wilmington, DE 19808
[email protected]

Allegion is a global manufacturer of safety and security products, commercial and residential hardware. With 25 years field experience in Div 8, I provide support to architects with AIA continuing education courses, act as a liaison between firms and our spec team, provide coordination support for Div 28 Access Control and more.

David Solley
Architectural Representative
Andersen Corporation
1106 K Street, NE
Washington, DC 20002
P 703-300-6108
[email protected]
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Window and door manufacturer that serves an extensive dealer network nationwide. Our company is also very interested in the continuing education for the architectural community in regards to sustainable living and design, and updates on building codes.

Marie White
Account Representative
APCO Graphics, Inc.
4601 Presidents Drive, Suite 133
Lanham, MD 20706
[email protected]

Signage is an important component of branding in the built environment. Our extensive lines of exterior and interior signage are well-designed and easy to maintain, extending the lifecycle of the signage program. Let’s create something together that reflects the brand and your architectural design. Branding is my favorite subject!

Ed Messick
New Business Development
P 703-232-2772
[email protected]

Brandon Morris
Sales Manager
P 717-448-3328
[email protected]

Barrons Lumber
23 West Diamond Avenue
Gaithersburg, MD 20877
P 301-948-6600 (Main)
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Barrons Lumber is a full service building materials supplier that services builders, remodelers, deck builders, and architects in the MD/DC/&Northern Virginia markets.

Karl Feucht
Market Development Manager ‒ Mid Atlantic
Benjamin Obdyke, Inc
400 Babylon Rd
Horsham, PA 19044
[email protected]
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Since 1868, Benjamin Obdyke has been on the forefront of moisture management and building science. Our roof material and wall system products enhance the building system to maximize the performance, durability, and value of a building’s most critical elements—its outer structure.

Lew Brode
Senior Vice President
530 Gaither Road, Suite 100
Rockville, MD 20850
P 240-268-1820
[email protected]
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Established in 1966, Greenman-Pedersen, Inc. (GPI) is a consulting engineering, planning, survey, mapping, and construction management and inspection firm that specializes in the innovative development, design and construction of infrastructure and building systems. GPI has grown from a two-person endeavor to a consulting firm included among ENR’s top 100 national design firms.

Tim Bragan
Landscape Architecture Bureau
714 7th Street SE
Washington, DC 20003
[email protected]
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Landscape Architecture Bureau [LAB] creates memorable landscapes and urban designs that are practical, sustainable, and of lasting beauty. Our firm specializes in landscape architecture in highly urbanized contexts, while providing expertise in solving design problems in the public realm.

Jonathan C. Shoemaker
Lee/Shoemaker PLLC
1400 Eye Street, NW, Suite 200
Washington, DC 20005
P 202-971-9401
[email protected]

Our clients develop master plans for the built environment. We develop master plans for design professionals in the legal environment. Design firms of all sizes turn to Lee/Shoemaker PLLC in challenging situations, seeking counsel and guidance on how to best manage risk, resolve disputes, and maximize the value of their practice.

Terrence McShane, Esquire
1211 Connecticut Avenue, N.W. Ste. 425
Washington, DC 20036
P 202-530-8100
[email protected]

Our firm's primary focus is in defense litigation of architects, engineers and other design professionals, who have been drawn into construction disputes. Our professional liability practice also includes representation of real estate professionals, surveyors and directors and officers. We provide strategic counsel in a variety of contexts, including contract negotiations and reducing or avoiding risk of conflict.


David Post, PLA
VP Landscape Architecture and Planning
9220 Wightman Road
Montgomery Village, MD 20886
[email protected]
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Since 1978, MHG has built a solid reputation for providing professional design services to public and private sector clients. Our projects include institutions, mixed-use, commercial, parks, recreation facilities, residential communities and estates.


Fallon Williams
Commercial Architectural Consultant
Pella Mid-Atlantic
12100 Baltimore Ave., Suite 1
Beltsville, MD 20705
P 202-567-1176
[email protected]
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Pella Corporation doesn’t just create windows and doors, they innovate with purpose, design with passion, build with integrity, and deliver with pride. From testing beyond industry standards to continuous innovation, Pella goes beyond what meets the eye to perfect every detail and make beautifully designed windows and doors.

Gene Policastri
Attorney / Law Firm Founder
Policastri Law Firm, LLC
600 Jefferson Plaza, Suite 308
Rockville, MD 20852
[email protected]
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Design firm leaders need a partner in spotting and resolving legal issues before they get out of hand. Early legal advice in problem projects can avoid costly claims and litigation in the future. We provide counsel to Design firms prior to and during construction administration.


Justin Yotter
Regional Director, Mid-Atlantic
Precision Property Measurements (PPM)
Washington, DC 20001
P 202-991-9001
[email protected]
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Precision Property Measurements (PPM) is a nationwide As-Built Surveying, Drafting, and Modeling provider supporting the AEC community nationwide. Our newest regional office in Washington, DC brings the best in 3D laser scanning technology and a team of drafting and modeling experts to provide high-quality As-Built plans at an affordable price.

Nick Neidig
General Manager
Quality Window & Door Inc.
6700 Distribution Drive
Beltsville, MD 20705
P 301-595-9555
[email protected]

Quality Window & Door is the go-to company for builders, architects, and remodelers in the DC area. With our expansive offering of products from numerous manufacturers, we can help your team transform homes into beautiful spaces. Let us become your window and door expert for your next project.

Michael Maguire
Regional Architectural Manager – Mid-Atlantic
4594 Cayce Road
Byhalia, MS 38611
P 240-319-6217
[email protected]
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At the ROCKWOOL Group, we are committed to enriching the lives of everyone who experiences our product solutions. Our expertise is perfectly suited to tackle many of today’s biggest sustainability and development challenges, from energy consumption and noise pollution to fire resilience, water scarcity and flooding. Our product range reflects the diversity of the world’s needs, while supporting our stakeholders in reducing their own carbon footprint.

Gary Case
Signature Elevators & Accessible Design
850 East Gude Drive, Suite D
Rockville, MD 20850
P 301-251-1659 
[email protected]
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Working with leading manufacturers — Pneumatic Vacuum Elevators, Federal Elevators Systems, Stiltz Lifts, Harmar, RAM and Savaria — Signature Elevators & Accessible Design LLC has many stylish and innovative solutions for Custom Homes, New SF Developments and Residential Remodels. From tubes reminiscent of “The Jetsons,” to traditional paneled Hydraulic, MRL and Drum Drives. Visit the web site for drawings and specification.


Amy Gaeta
Trade Representative
Sub Zero-Mid Atlantic Group
9204 Berger Road, Suite H
Columbia, MD 21046
[email protected]
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Sub-Zero, Wolf, and Cove are the refrigeration, cooking, and dishwashing specialists found in the world’s most luxurious homes. Our showrooms are dedicated to design inspiration and hands-on use of our live appliances, allowing you to gather design ideas with your clients and align on upcoming projects, all in a no-pressure environment.

Ken Clark
Director of Architectural Business Development
P 301-987-1487
[email protected]

Mike Sheahin
Architectural Window Consultant
P 240-478-9028
[email protected]

TW Perry
8131 Snouffer School Road
Gaithersburg, MD 20879
P 301-840-9600
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TW Perry is one of the leading building materials suppliers in the mid-Atlantic, serving the Washington, DC and Baltimore areas and outlying suburbs. We credit our success to establishing loyal customers who understand the added value and partnership that our services and products bring their business, as well as maintaining enthusiastic, customer service focused employees. Our specialty divisions support our valued clientele with the expertise to provide integrated project delivery in aspect to architectural integrity, performance criteria, and budgetary considerations.