
Yerkes South, Inc and Advanced Roofing are dedicated to building lasting partnerships with its clients by providing exceptional craftsmanship, responsive action, and service-oriented professionalism
In House Design-Build and Design-Bid build methods

Advanced Green Technologies (AGT) is a sister company to Advanced Roofing Inc. (ADV) and an award-winning solar energy contractor specializing in rooftop, carport ground-mount and electric vehicle charging solutions for customers throughout the Southeast U.S. and the Caribbean
Photovoltaics
Solar Carports

Roofing, HVAC, and Solar Energy services for government agencies
Our flexibility to perform work for these particular contracts, combined with un-matched experience and resources, allow us to provide you with the professional solutions you need while satisfying agency purchasing requirements
CINKA Yerkes JV LLC, specializes in construction services, such as railroad, heavy civil, vertical construction and secure construction, including rapid, disaster recovery, and infrastructure response work
Our Joint Venture is led by industry experts who have the experience to provide high-quality services that help clients stay on budget and on schedule
The company’s performance has received numerous commendations and consistently meets clients’ needs
CINKA Yerkes JV LLC is an SBA 8(a), ED/WOSB and Service Disabled Veteran Small Business (SDVOSB)
CINKA-YERKES_SOQ_JULY_2025 (pdf)
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Hydra Engineering & Construction, LLC is an engineering and construction firm headquartered in Crawfordville, Florida
Hydra is a graduate of the US Small Business Administration’s 8(a) program and is also a Woman Owned Small Business, certified by the USDOT as a Disadvantaged Business Enterprise and by the State of Florida as a Minority Business Enterprise
Hydra has extensive experience in our field with projects completed in Florida, Georgia, Alabama, Louisiana, South Carolina, North Carolina, Kentucky, Arkansas, Virginia, Mississippi, Tennessee, Texas, New Mexico, Utah, Wyoming, Nevada and Colorado for both government and private clients
The company’s core team has worked together for over 30 years and are skilled in the execution and completion of projects on-time and on-budget. Hydra has in-house professional engineers, general contractors and construction crews to self perform the majority of our work.
In 2017 Yerkes South, Inc and H2H Geoscience Engineering, PLLC collaborated to create Yerkes South - H2H JV LLC
Yerkes South-H2H JV combines the strengths of two accomplished consulting firms to provide fully-integrated construction management, design/build, environmental, geologic, architecture and engineering, survey and mapping, and project management to a variety of federal, state and private sector clients
With offices in New York and Florida, the JV has performed extensive work throughout the eastern and southeastern United States, Puerto Rico, and in Central and South America
Yerkes South - H2H JV is 8(a), ED/WOSB and Service Disabled Veteran (SDVOSB & SDVOB NY) certified partnership
Our clients are public and private sector clients from Texas to Florida to New England

https://cinkaconstructionandconsulting.com/
Retired U.S. Air Force Senior Master Sergeant | Federal Contracting Expertise | Advocate for Small Business Growth
Cindy is a retired and decorated U.S. Air Force Senior Master Sergeant and the visionary Founder and CEO of CINKA Construction & Consulting Services, LLC — a trusted federal partner since 2012. With more than 45 years of exceptional leadership and federal acquisition and accounting expertise, Cindy has transformed CINKA into a dynamic force in federal contracting, known for its precision, integrity, and results-driven excellence.
Under her leadership, CINKA has secured and supported more than $275 million in federal contracts and task orders, serving agencies across defense, healthcare, and infrastructure sectors. Cindy and her team are recognized for their mastery in federal proposal development, contract compliance, and execution—delivering excellence across construction, facility operations and maintenance (O&M), and mission-critical service contracts.
A champion for small business empowerment, Cindy has guided numerous Women-, Minority-, and Veteran-owned firms through the SBA’s 8(a), ED/WOSB, WOSB, VOSB, and SDVOSB certification programs, opening doors to sustained success in the competitive federal marketplace. Her mentorship and strategic insight have become a catalyst for the next generation of federal contractors.
A Legacy of Service, Leadership, and Excellence
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