45207 Research Place
Ashburn, VA 20147
703.851.4187 fax: 703.851.4187

IBTS is 501(c)3 nonprofit organization that delivers third-party inspection and quality management services that ensure proper planning, implementation, and assessment of energy and sustainability projects in the built environment. We enhance the capabilities of local, state, and federal governments, and private-sector organizations through access to subject matter expertise, technology solutions, training, and program support.

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