The Company disaggregates its net revenues primarily by segment, service type, and country from which revenues are invoiced, as the nature, timing, and uncertainty of cash flows are relatively consistent within each of these categories. The

following tables provide disclosure of disaggregated net revenues by segment for the three and six months ended June 30, 2024, and 2023. Disaggregated net revenues information is as follows:


	Three Months Ended June 30, 2024
	Safety Services		Specialty Services		Consolidated
Life Safety	$	1,164	$	—	$	1,164
Heating, Ventilation, and Air Conditioning ("HVAC")	115		—		115
Infrastructure/Utility	—		246		246
Fabrication	—		47		47
Specialty Contracting	—		160		160
Corporate and Eliminations	—		—		(2)
Net revenues	$	1,279	$	453	$	1,730


	Three Months Ended June 30, 2023
	Safety Services		Specialty Services		Consolidated
Life Safety	$	1,098	$	—	$	1,098
HVAC	127		—		127
Infrastructure/Utility	—		307		307
Fabrication	—		58		58
Specialty Contracting	—		190		190
Corporate and Eliminations	—		—		(9)
Net revenues	$	1,225	$	555	$	1,771


	Six Months Ended June 30, 2024
	Safety Services		Specialty Services		Consolidated
Life Safety	$	2,267	$	—	$	2,267
HVAC	226		—		226
Infrastructure/Utility	—		451		451
Fabrication	—		97		97
Specialty Contracting	—		294		294
Corporate and Eliminations	—		—		(4)
Net revenues	$	2,493	$	842	$	3,331


	Six Months Ended June 30, 2023
	Safety Services		Specialty Services		Consolidated
Life Safety	$	2,166	$	—	$	2,166
HVAC	250		—		250
Infrastructure/Utility	—		547		547
Fabrication	—		113		113
Specialty Contracting	—		325		325
Corporate and Eliminations	—		—		(16)
Net revenues	$	2,416	$	985	$	3,385


	Three Months Ended June 30, 2024
	Safety Services		Specialty Services		Corporate and Eliminations		Consolidated
United States	$	623	$	453	$	(2)	$	1,074
France	157		—		—		157
Other	499		—		—		499
Net revenues	$	1,279	$	453	$	(2)	$	1,730


	Three Months Ended June 30, 2023
	Safety Services		Specialty Services		Corporate and Eliminations		Consolidated
United States	$	583	$	549	$	(9)	$	1,123
France	150		—		—		150
Other	492		6		—		498
Net revenues	$	1,225	$	555	$	(9)	$	1,771


	Six Months Ended June 30, 2024
	Safety Services		Specialty Services		Corporate and Eliminations		Consolidated
United States	$	1,204	$	837	$	(4)	$	2,037
France	319		—		—		319
Other	970		5		—		975
Net revenues	$	2,493	$	842	$	(4)	$	3,331


	Six Months Ended June 30, 2023
	Safety Services		Specialty Services		Corporate and Eliminations		Consolidated
United States	$	1,143	$	966	$	(16)	$	2,093
France	306		—		—		306
Other	967		19		—		986
Net revenues	$	2,416	$	985	$	(16)	$	3,385