Business and Organization (Tables)

9 Months Ended

Sep. 30, 2017

Business and Organization

Schedule of service activities

	Revenue
Service Activity	$ in thousands		%
HVAC and Plumbing	$	1,207,434	91	%
Building Automation Control Systems		66,343	5	%
Other		53,073	4	%
Total	$	1,326,850	100	%