Modern Mechanical Systems, Inc.

Form 5500

MODERN MECHANICAL SYSTEMS, INC.

519 Cooke Street P.O. Box 492, Farmington, Ct 06034 (860) 677-2222 EIN:06-0944144 Plan Admin:Jeffrey Clement

Year	Plan Name	Participants BOY/EOY	Assets BOY/EOY
2023	Plan NameMODERN MECHANICAL SYSTEMS, INC. PROFIT SHARING PLAN Plan #001 Participants BOY/EOY48 / 47 Assets BOY/EOY$5,800,066 / $6,762,516	2023	MODERN MECHANICAL SYSTEMS, INC. PROFIT SHARING PLAN - Plan #001	48 / 47	$5,800,066 / $6,762,516
2023	Plan NameMODERN MECHANICAL SYSTEMS, INC. DAVIS-BACON PLAN Plan #003 Participants BOY/EOY59 / 58 Assets BOY/EOY$2,387,769 / $2,488,969	2023	MODERN MECHANICAL SYSTEMS, INC. DAVIS-BACON PLAN - Plan #003	59 / 58	$2,387,769 / $2,488,969
2022	Plan NameMODERN MECHANICAL SYSTEMS, INC. PROFIT SHARING PLAN Plan #001 Participants BOY/EOY50 / 48 Assets BOY/EOY$5,979,928 / $5,800,066	2022	MODERN MECHANICAL SYSTEMS, INC. PROFIT SHARING PLAN - Plan #001	50 / 48	$5,979,928 / $5,800,066
2022	Plan NameMODERN MECHANICAL SYSTEMS, INC. DAVIS-BACON PLAN Plan #003 Participants BOY/EOY59 / 59 Assets BOY/EOY$2,559,680 / $2,387,769	2022	MODERN MECHANICAL SYSTEMS, INC. DAVIS-BACON PLAN - Plan #003	59 / 59	$2,559,680 / $2,387,769
2021	Plan NameMODERN MECHANICAL SYSTEMS, INC. PROFIT SHARING PLAN Plan #001 Participants BOY/EOY56 / 45 Assets BOY/EOY$4,982,568 / $5,979,928	2021	MODERN MECHANICAL SYSTEMS, INC. PROFIT SHARING PLAN - Plan #001	56 / 45	$4,982,568 / $5,979,928
2021	Plan NameMODERN MECHANICAL SYSTEMS, INC. DAVIS-BACON PLAN Plan #003 Participants BOY/EOY44 / 58 Assets BOY/EOY$2,168,551 / $2,559,680	2021	MODERN MECHANICAL SYSTEMS, INC. DAVIS-BACON PLAN - Plan #003	44 / 58	$2,168,551 / $2,559,680
2020	Plan NameMODERN MECHANICAL SYSTEMS, INC. PROFIT SHARING PLAN Plan #001 Participants BOY/EOY45 / 44 Assets BOY/EOY$4,260,088 / $4,982,568	2020	MODERN MECHANICAL SYSTEMS, INC. PROFIT SHARING PLAN - Plan #001	45 / 44	$4,260,088 / $4,982,568
2020	Plan NameMODERN MECHANICAL SYSTEMS, INC. DAVIS-BACON PLAN Plan #003 Participants BOY/EOY39 / 42 Assets BOY/EOY$1,714,520 / $2,168,551	2020	MODERN MECHANICAL SYSTEMS, INC. DAVIS-BACON PLAN - Plan #003	39 / 42	$1,714,520 / $2,168,551
2019	Plan NameMODERN MECHANICAL SYSTEMS, INC. PROFIT SHARING PLAN Plan #001 Participants BOY/EOY42 / 44 Assets BOY/EOY$3,393,642 / $4,260,088	2019	MODERN MECHANICAL SYSTEMS, INC. PROFIT SHARING PLAN - Plan #001	42 / 44	$3,393,642 / $4,260,088
2019	Plan NameMODERN MECHANICAL SYSTEMS, INC. DAVIS-BACON PLAN Plan #003 Participants BOY/EOY36 / 39 Assets BOY/EOY$1,532,067 / $1,714,520	2019	MODERN MECHANICAL SYSTEMS, INC. DAVIS-BACON PLAN - Plan #003	36 / 39	$1,532,067 / $1,714,520