Haynes Mechanical Systems, Inc.

Form 5500

HAYNES MECHANICAL SYSTEMS, INC.

5700 S Quebec ST STE 210, Greenwood Village, Co 80111 (303) 779-2012 EIN:84-1318272 Plan Admin:Debbie Finn

Year	Plan Name	Participants BOY/EOY	Assets BOY/EOY
2022	Plan NameHAYNES MECHANICAL SYSTEMS, INC. 401(K) PLAN Plan #002 Participants BOY/EOY258 / 272 Assets BOY/EOY$20,649,010 / $18,057,622	2022	HAYNES MECHANICAL SYSTEMS, INC. 401(K) PLAN - Plan #002	258 / 272	$20,649,010 / $18,057,622
2022	Plan NameHAYNES MECHANICAL SYSTEMS, INC. HEALTH & WELFARE BENEFITS PLAN Plan #505 Participants BOY/EOY213 / 0 Assets BOY/EOY$0 / $0	2022	HAYNES MECHANICAL SYSTEMS, INC. HEALTH & WELFARE BENEFITS PLAN - Plan #505	213 / 0	$0 / $0
2021	Plan NameHAYNES MECHANICAL SYSTEMS, INC. 401(K) PLAN Plan #002 Participants BOY/EOY270 / 261 Assets BOY/EOY$17,827,264 / $20,649,010	2021	HAYNES MECHANICAL SYSTEMS, INC. 401(K) PLAN - Plan #002	270 / 261	$17,827,264 / $20,649,010
2021	Plan NameHAYNES MECHANICAL SYSTEMS, INC. LIFE, ACCIDENTAL DEATH & DISMEMBERMENT, LONG TERM DISABILITY AND SHORT TERM DISABILITY PLAN Plan #503 Participants BOY/EOY200 / 0 Assets BOY/EOY$0 / $0	2021	HAYNES MECHANICAL SYSTEMS, INC. LIFE, ACCIDENTAL DEATH & DISMEMBERMENT, LONG TERM DISABILITY AND SHORT TERM DISABILITY PLAN - Plan #503	200 / 0	$0 / $0
2021	Plan NameHAYNES MECHANICAL SYSTEMS, INC. COMPREHENSIVE MEDICAL AND DENTAL BENEFIT PLAN Plan #501 Participants BOY/EOY184 / 0 Assets BOY/EOY$0 / $0	2021	HAYNES MECHANICAL SYSTEMS, INC. COMPREHENSIVE MEDICAL AND DENTAL BENEFIT PLAN - Plan #501	184 / 0	$0 / $0
2021	Plan NameHAYNES MECHANICAL SYSTEMS, INC. VISION PLAN Plan #502 Participants BOY/EOY152 / 0 Assets BOY/EOY$0 / $0	2021	HAYNES MECHANICAL SYSTEMS, INC. VISION PLAN - Plan #502	152 / 0	$0 / $0
2020	Plan NameHAYNES MECHANICAL SYSTEMS, INC. 401(K) PLAN Plan #002 Participants BOY/EOY246 / 242 Assets BOY/EOY$15,104,813 / $17,827,264	2020	HAYNES MECHANICAL SYSTEMS, INC. 401(K) PLAN - Plan #002	246 / 242	$15,104,813 / $17,827,264
2020	Plan NameHAYNES MECHANICAL SYSTEMS, INC. COMPREHENSIVE MEDICAL AND DENTAL BENEFIT PLAN Plan #501 Participants BOY/EOY185 / 0 Assets BOY/EOY$0 / $0	2020	HAYNES MECHANICAL SYSTEMS, INC. COMPREHENSIVE MEDICAL AND DENTAL BENEFIT PLAN - Plan #501	185 / 0	$0 / $0
2020	Plan NameHAYNES MECHANICAL SYSTEMS, INC. LIFE, ACCIDENTAL DEATH & DISMEMBERMENT, LONG TERM DISABILITY AND SHORT TERM DISABILITY PLAN Plan #503 Participants BOY/EOY203 / 0 Assets BOY/EOY$0 / $0	2020	HAYNES MECHANICAL SYSTEMS, INC. LIFE, ACCIDENTAL DEATH & DISMEMBERMENT, LONG TERM DISABILITY AND SHORT TERM DISABILITY PLAN - Plan #503	203 / 0	$0 / $0
2020	Plan NameHAYNES MECHANICAL SYSTEMS, INC. VISION PLAN Plan #502 Participants BOY/EOY153 / 0 Assets BOY/EOY$0 / $0	2020	HAYNES MECHANICAL SYSTEMS, INC. VISION PLAN - Plan #502	153 / 0	$0 / $0
2019	Plan NameHAYNES MECHANICAL SYSTEMS, INC. 401(K) PLAN Plan #002 Participants BOY/EOY264 / 242 Assets BOY/EOY$12,918,333 / $15,104,813	2019	HAYNES MECHANICAL SYSTEMS, INC. 401(K) PLAN - Plan #002	264 / 242	$12,918,333 / $15,104,813
2019	Plan NameHAYNES MECHANICAL SYSTEMS, INC. COMPREHENSIVE MEDICAL AND DENTAL BENEFIT PLAN Plan #501 Participants BOY/EOY159 / 0 Assets BOY/EOY$0 / $0	2019	HAYNES MECHANICAL SYSTEMS, INC. COMPREHENSIVE MEDICAL AND DENTAL BENEFIT PLAN - Plan #501	159 / 0	$0 / $0
2019	Plan NameHAYNES MECHANICAL SYSTEMS, INC. LIFE, ACCIDENTAL DEATH & DISMEMBERMENT, LONG TERM DISABILITY AND SHORT TERM DISABILITY PLAN Plan #503 Participants BOY/EOY179 / 0 Assets BOY/EOY$0 / $0	2019	HAYNES MECHANICAL SYSTEMS, INC. LIFE, ACCIDENTAL DEATH & DISMEMBERMENT, LONG TERM DISABILITY AND SHORT TERM DISABILITY PLAN - Plan #503	179 / 0	$0 / $0
2019	Plan NameHAYNES MECHANICAL SYSTEMS, INC. VISION PLAN Plan #502 Participants BOY/EOY140 / 0 Assets BOY/EOY$0 / $0	2019	HAYNES MECHANICAL SYSTEMS, INC. VISION PLAN - Plan #502	140 / 0	$0 / $0