Form 990 for tax year 2022

2a · Program service revenue: EMPLOYER CONTRIBUTIONS

total $8,562,681 · related or exempt $8,562,681

2b · Program service revenue: FORFEITED BENEFITS

total $9,571 · related or exempt $9,571

3 · Investment income

total $83,109 · excluded $83,109

4 · Benefits paid to or for members

total $8,283,737

11a · Fees: management

total $208,729

11b · Fees: legal

total $8,322

11c · Fees: accounting

total $13,000

11g · Fees: other

total $27,455

13 · Office expenses

total $1,822

14 · Information technology

total $244

23 · Insurance

total $2,590

24a · Other expenses: BANK CHARGES

total $7,002

24b · Other expenses: CUSTODIAL EXPNENSE

total $2,904

24c · Other expenses: MISCELLANEOUS EXPENSE

total $1,935

1 · Cash, non-interest-bearing

beginning of year $32,050 · end of year $20,593

2 · Savings and temporary cash investments

beginning of year $669,079 · end of year $670,218

4 · Accounts receivable

beginning of year $937,225 · end of year $1,051,032

9 · Prepaid expenses and deferred charges

beginning of year $2,480 · end of year $1,689

25 · Other liabilities

beginning of year $30,869 · end of year $35,946

29 · Capital stock, trust principal or current funds

beginning of year $0 · end of year $0

30 · Paid-in or capital surplus, or land, building or equipment fund

beginning of year $0 · end of year $0

31 · Retained earnings, endowment or other funds

beginning of year $1,609,965 · end of year $1,707,586

LIMBACH COMPANY LP

VALTECH ENGINEERING

B&L AUTOMATIC FIRE PROTECTION

MADISON INDUSTRIAL SERVICES

R C SCHEU PLUMBING

SHAMBAUGH & SON L P

SOUTHERN CALIFORNIA PIPE TRADES ADMINISTRATIVE CORPORATION

C · ADMINISTRATIVE SERVICE · CA

Directly controlled by NONE

1 TEAM FIRE PROTECTION CO INC

C

1 TEAMWORK FIRE PROTECTION

C

2020 PLUMBING & HEATING INC

C

24 7 FIRE PROTECTION SRV INC

C

24-7 SAFETY STAFFING AND

C

4G'S PLUMBING

C

A & J REFRIGERATION

C

A J FISTES CORPORATION

C

A VET CONTRACTING INC

C

A-1 FIRE PROTECTION INC

C

A-GAS US INC DBA RAPID RECOV

C

AM ORTEGA CONSTRUCTION INC

C

AO REED COMPANY

C

ABERCROMBIE PIPELINE SERVICES

C

ABNY GENERAL ENGINEERING INC

C

ACCO ENGINEERED SYSTEMS INC

C

ADT COMMERCIAL

C

ADVANCE FIRE PROTECTION INC

S

ADVANCED CONSTRUCTORS CORP

C

ADVANCED PNEUMATIC TUBES INC

C

AFFORDABLE FIRE PROTECTION INC

C

AID BUILDERS INC

C

AIR CONDITIONING SOLUTIONS

C

AIR FLOW MECHANICAL

C

AIR PLUS HVAC INC

C

AIR WEST MECHANICAL

C

AIR-EX AIR CONDITIONING INC

C

AIR-TEC

C

AK WELDING SOLUTIONS

C

ALCO MECHANICAL PLUMBING

S

ALL AROUND LANDSCAPE LLC

S

ALL PHASE REFRIGERATION

S

ALL TECH PLUMBING

S

ALL TERRAIN PLUMBING INC

C

ALL VALLEY SOLAR INC

C

ALLISON MECHANICAL INC

C

ALLOY WELDING

S

ALLREADY FIRE SPRINKLER CO

S

ALTERNATIVE MAINTENANCE SERVIC

C

AMERICAN CONTRACTORS INC

C

AMERICAN LANDSCAPE INC

C

AMERICAN MECHANICAL SYSTEMS

C

ANCHOR PLUMBING HEATING & HVAC

C

ANDERSON PLUMBING SYSTEMS

C

ANGEL PLUMBERS INC

C

AP CONSTRUCTION GROUP INC

C

APCOMPOWER INC

C

APEX FIRE PROTECTION

S

APHAIA MECHANICAL CORPORATION

C

APPLIED PROCESS COOLING CORP

C

ARB INC

C

ARCTIC COOLING SYSTEMS LLC

C

ASCEND PLUMBING INC

C

ASSOCIATE MECHANICAL

C

ASTRO MECHANICAL CONTRACTORS

C

AXIOM GROUP

C

AXIS MECHANICAL SERVICES

C

AYUS & CO INC

C

AZTEC FIRE PROTECTION

C

AZZ WSI LLC

C

B PLUMBING INC

C

BABCOCK & WILCOX CONSTR CO

C

BACKFLOW SERVICES INC

C

BARR ENGINEERING INC

C

BARRINGTON PLUMBING CO LLC

C

BASSETT MECHANICAL

C

BAY CITY MECHANICAL INC

C

BETTER WAY PLUMBING & REPAIRS

C

BEVSTREAM CORP

C

BHI SPECIALTY SERVICES

C

BLUEWATER PLUMBING AND FIRE

C

BONESO BROTHERS CONSTRUCTION

C

BRADSHAW ENGINEERING CORP

C

BRAGG INVESTMENT COMPANY INC

C

BRIGHTVIEW LANDSCAPE DEVELOP

C

BRUCE ALLYN PLUMBING INC

C

BRYMAX CONSTRUCTION SERVICES

C

BUILDING AIRE INC

C

BURNWORTH LANDSCAPE INC

C

BYROM-DAVEY INC

C

C & P CONSTRUCTION DEV INC

C

C T S MECHANICAL INC

C

CR MEYER AND SONS COMPANY

C

CA STATE PIPE TRADES COUNCIL

C

CAL TECH FIRE PROTECTION

C

CALIFORNIA CERTIFIED CONST &

C

CALIFORNIA LANDSCAPE & DESIGN

C

CALIFORNIA SOLAR INTEGRATORS

C

CALIFORNIA WATERS DEVELOPMENT

C

CALPIPING INDUSTRIAL LLC

C

CAMPBELL SCOTT E COMPANY

C

CARDEN JM SPRINKLER CO INC

C

CARRIER BUILDING SYSTEMS

S

CASTLE CONTRACTING LLC

C

CEASE FIRE SPRINKLER SYS INC

C

CENTERLINE PLUMBING &

C

CENTURY SPRINKLER CORPORATION

C

CFMVR-TESCO INC

C

CHERNE CONTRACTING CORP

C

CHUBB FIRE & SECURITY INC

C

CIRCULATING AIR INC

C

CITY COMMERCIAL PLUMBING INC

C

CITY OF LA PAYROLL

C

CLASSIC CONSTRUCTION & FAB

S

CLASSIC REFRIGERATION SOCAL

C

CLIMATE PROS LLC

C

COLEMAN PLUMBING INC

C

COLOMBO SALES AND ENGINEERING

C

CONSOLIDATED MECH AND HTG INC

C

CONTI LLC

C

CONTRA COSTA ELECTRICAL INC

C

CONTROL AIR ENTERPRISES LLC

C

COOLTEC REFRIGERATION CORP

C

COSCO FIRE PROTECTION INC

C

COUTS HEATING & COOLINGINC

C

CRITCHFIELD MECHANICAL INC

C

CROSBY PLUMBING INC

C

CSM PLUMBING INC

C

D BURKE MECHANICAL

C

D JOHN ROSER INC

C

DHK PLUMBING & PIPING INC

C

D2 PLUMBING INC

C

DAART ENGINEERING CO INC

C

DABCO INC MECH CONTRACTORS

C

DAHL AIR CONDITIONINGINC

C

DANO SPECIALTIES LLC

C

DAVIS CONST PLUMBING INC

C

DBB BUILDER

C

DENNISTON FIRE PROTECTION INC

C

DESERT AIR CONDITIONING INC

C

DESERT CONCEPTS CONST INC

C

DESERT MECHANICAL INC

C

DIVERSIFIED LANDSCAPE CO

C

DIVERSIFIED THERMAL SERV INC

C

DON BRANDEL PLUMBING INC

C

DOTY BROS EQUIPMENT CO

C

DREAMSCAPE LANDSCAPE & MAINT

C

DUKE PLUMBING INC

C

E & S BOILER SERVICE

C

EMCOR-MESA ENERGY SYSTEMS INC

C

ENERFAB POWER & INDUSTRIAL

C

ENGINEEERED MECHANICAL SERVICE

C

ENVIRONMENTAL CONSTRUCTION INC

C

F E MORANINCSPECIAL HAZARDS

C

FELKER INDUSTRIES

C

FINISHLINE CERTIFIED WELDING

C

FIRE GUARD CORP

C

FIRE SAFE GROUP INC

C

FIRE SYSTEM SOLUTIONS INC

C

FIRST CHOICE LANDSCAPE CORP

C

FLAMINGO CONSTRUCTION INC

C

FULLERS PLUMBING SERVICE INC

C

G&C EQUIPMENT CORP

C

G&G MECHANICAL INC

C

GMZ ENGINEERING INC

C

GARTNER REFRIGERATION INC

C

GAVINA PLUMBING INC

C

GEMSE CO

S

GEORGE KAUFFMAN PLUMBING

C

GJM ENGINEERING INC

C

GLOBAL SCAFFOLD CONST SERV INC

C

GMI MECHANICAL

C

GORMLEY SPECIALTIES INC

C

GRAYCON INC

C

GRIFFITH COMPANY

C

H C I SPRINKLER

C

HL MOE COMPANY

C

HABITAT RESTORATION SCIENCES

C

HARDER MECHANICAL

C

HENKELS & MCCOY INC

C

HERMAN WEISSKER INC

C

HICKMAN & SON MECHANICAL LLC

C

HIDALGO CONSTRUCTION COMPANY

C

HILLCREST SHEET METAL-MESA

C

HOLDERS MECHANICAL INC

C

HPS MECHANICAL INC

C

HUSSMANN CORPORATION

C

IO ENVIRONMENTAL & INFRAS-

C

ICEBERG HEATING & AIR

C

IMPERIAL SPECIALTY CONTRACTING

C

IMPERIAL T & S PLUMBING INC

C

INDOOR ENVIRONMENTAL SERVICES

C

INLAND EMPIRE LANDSCAPE INC

C

INLAND MECHANICAL CONST INC

C

INLAND MECHANICAL SERVICES

C

INNOVATIVE CRANE & RIGGING INC

C

INTEGRITY GENERAL ENGINEERING

C

INTL JOINT TRAINING COMMITTEE

C

J&J MAINTENANCE INC

C

J'S PIPELINE INC

C

JDS PLUMBING & MECHANICAL

C

JM FARNAN COMPANY

C

JACKSON & BLANC

C

JACOBS INDUSTRIAL SERVICE LTD

C

JDM PLUMBING SPECIALIST INC

C

JMC MECHANICAL INC

C

JOHNSON CONTROLS FED SYSINC

C

JOHNSON CONTROLS INC

C

JOHNSON DIVERSIFIED INC

C

JSS CONSTRUCTION INC

C

K C I ENVIRONMENTAL INC

C

K MC CALL CONSTRUCTION CO INC

C

K O H MECHANICAL CONTRACTORS

C

KB ENGINEERING INC

C

KE RODGERS INC

C

KAMRAN METALWORKS INC

C

KARCHER FIRESTOPPING

C

KATO LANDSCAPING INC

C

KBR WYLE SERVICES LLC

C

KEY AIR CONDITIONING CONTR

C

KEY MECHANICAL

C

KIEWIT INFRASTRUCTURE WEST CO

C

KIEWIT POWER CONSTRUCTORS CO

C

KILIAN FIRE SPRINKLER CORP

C

KIMBLE AND COMPANY

C

KINCAID INDUSTRIES INC

C

KINETIC SYSTEMS INC

C

KIRK ERECTORS INC

C

KLASSIC ENGINEERING AND CONST

C

KOPPL PIPELINE SERVICES INC

C

KREIT MECHANICAL ASSOCIATES

C

KYNE CONSTRUCTION INC

C

LA HABRA FIRE PROTECTION

S

LANCO PLUMBING INC

C

LANDSCAPE DEVELOPMENT INC

C

LAW PLUMBING CO

C

LAWSON MECHANICAL CONTRACTORS

C

LEGION CONTRACTORS INC

C

LEVCO FAB INC

C

LIBERTY CLIMATE CONTROL INC

C

LINK-NILSEN CORPORATION

C

LOS ANGELES AIR CONDITIONING

C

LOS ANGELES TURF CLUB INC

C

LUNA'S PLUMBING INC

C

LYLES UTILITY CONSTRUCTIONLLC

C

MB HERZOG ELECTRIC INC

C

MM MECHANICAL INC

C

MAC 5 CONSTRUCTION LLC

C

MAJESTIC FIRE PROTECTION

C

MAKELELE SYSTEMS LANDSCAPE &

C

MARINA LANDSCAPE CO

C

MARTINEZ LANDSCAPING CO

C

MATRIX NORTH AMERICAN CONSTRUC

C

MAX OUT INC

C

MB REMODELING

S

MEADOWS MECHANICAL

C

MERRY PLUMBING CO INC

C

METCO EQUIPMENT INC

C

MICHELS PACIFIC ENERGY INC

C

MILCO CONSTRUCTORS

C

MJ CONSTRUCTION DEVELOPMENT

C

MJK CONSTRUCTION INC

C

MODERN-AIR CONDITIONING CO

C

MONACO MECHANICAL INC

C

MUIR-CHASE PLUMBING CO

C

MURRAY COMPANY

C

N & D FIRE PROTECTION INC

C

NATIONWIDE GENERAL CONST SERV

C

NEW CITY PLUMBING CONTRACTORS

C

NEW ENGLAND SHEET METAL MECH

C

NEW GENERATION LANDSCAPE CO

C

NEW MILLENIUM CONSTRUCTION

C

NOOTER CONSTRUCTION COMPANY

C

NORKO ENTERPRISES INC

C

NORTHERN SERVICES INC

C

NPL CONSTRUCTION CO

C

NST PLUMBING & FIRE PROTECTION

C

O'CONNOR PLUMBING

C

OCEAN PARK MECHANICAL

C

OHNO CONSTRUCTION COMPANY

C

OLYMPIC AIR TECH

C

ONPOINT INDUSTRIAL SERVICES

C

ORNNELL FIRE SPRINKLER

C

OSCALIBUR PLUMBING INC

C

OUTSIDE THE LINES INC

C

P V & C PLBG & PIPING INC

C

PIPE

C

PACIFIC PLBG CO OF STA ANA

C

PACIFIC RESTORATION GROUP INC

C

PACIFIC WEST INDUSTRIES INC

C

PAN PACIFIC PLUMBING CO INC

C

PARAMOUNT AIR SYSTEMS

S

PASTUSAK PLUMBING INC

C

PAUL HANSEN EQUIPMENT INC

C

PAUL J CONSTRUCTION CORP

C

PCN3 INC

C

PERFORMANCE CONTRACTING INC

C

PERFORMANCE MECHANICAL INC

C

PEVCO SYSTEMS INTERNATIONAL

C

PIERRE SPRINKLER & LANDSCAPE

C

PIPE PROS PLUMBING INC

C

PIPING SERVICE INC

C

PLANET CARE INNOVATIONS INC

C

PLATINUM INDUSTRIAL INC

C

PLUMBING BY TODD R MARSH INC

C

PLUMBING CONCEPTS INC

C

PLUMBING PIPING & CONST INC

C

PRECISE AIR SYSTEMS INC

C

PRECISION PLUMBING MECHANICAL

C

PRECISION WEST LLC

C

PREFERRED LANDSCAPE INC

C

PREMIER WEST LANDSCAPE

C

PREVENT BACKFLOW AND PLUMBING

C

PRO CRAFT CONSTRUCTION INC

C

PRO MECHANICAL CORP

C

PUMPMAN LLC

C

QUALCO FIRE PROTECTION INC

C

QUINCON INC

C

R & R SERVICE CO

S

R L H FIRE PROTECTION

C

R T L EQUIPMENT RENTALS INC

C

R T SHELTONINCDBA ORTIZ FIRE

C

RJ CARROLL & SONS INC

C

RT SHELTON DBA ORTIZ FIRE

C

RAM AIR ENGINEERING

C

RAM MECHANICAL INC

C

RAN ENTERPRISES INC

C

RANBAR PLUMBING CONTRACTORS

C

RAWLINGS MECHANICAL CORP

C

RAY HEATING PRODUCTS DBA

C

RAYMOND FIRE LIFE & SAFETY

C

REFRIGERATION UNLIMITED INC

C

RELIABLE FIRE PROTECTION

S

RENKOW MECHANICAL INC

C

RENSHAW PLUMBING & MECH INC

C

REYES ELECTRICAL CONTRACTOR

C

RHEW PLUMBING & MECHANICAL INC

C

RIVERA EQUIPMENT DBA VALLEY

C

RL FICK & SON PLUMBING INC

C

RNF FIRE PROTECTION & PLUMBING

C

RODRIGUEZ BROTHERS ENGINEERING

C

ROYAL CONSTR & BUILDERS INC

C

RS PLUMBING SOLUTIONS INC

C

S & K LANDSCAPE INC

C

S & M FIRE PROTECTION INC

C

S E PIPELINE CONSTRUCTION CO

S

SALAMANDER FIRE PROTECTION INC

C

SALAZAR LANDSCAPING

C

SANDCO LANDSCAPE CONTRACTORS

C

SCHECK MECHANICAL CORP

C

SCHULTZ INDUSTRIAL SERVICES

C

SCPT ADMIN CORP

C

SDC ENGINEERING INC

C

SECURITY FIRE PROTECTION CO

C

SENA PLUMBING

C

SERENERGY CORP

C

SERENITY FIRE PROTECTION

S

SERVICE - PRO FIRE PROTECTION

C

SHACK PLUMBING

C

SHELDON MECHANICAL CORPORATION

C

SHELTON FIRE PROTECTION INC

C

SHIMMICK CONSTRUCTION CO INC

C

SIEMENS BUILDING TECH INC

C

SIEMENS BUILDING TECHNOLOGIES

C

SIERRA COMMERCIAL PLUMBING INC

C

SIERRA LANDS DEVLPMNT INC

C

SILVER CREEK INDUSTRIES LLC

C

SIMPLY BACKFLOW INC

C

SITEONE LANDSCAPE SUPPLY LLC

C

SKETCHLEY & MASON

C

SMITH MECHANICAL-ELECTRICAL-

C

SNELSON COMPANIES INC

C

SO CAL FIRE PROTECTION INC

C

SOUTH COAST MECHANICAL INC

C

SOUTHLAND HVAC & CONSTR INC

C

SOUTHLAND INDUSTRIES

C

SOUTHWEST FIRE PROTECTION CO

C

SPECIALTY WELDING & TURNAROUND

C

SPECTRUM CONSTRUCTION GROUP

C

SPHINX LANDSCAPING

S

SPRINGWATER PLUMBING INC

C

SSW MECHANICAL CONSTRUCTION

C

STATER BROS MARKETS

C

STEVEN FIELD PLUMBING

C

STEVEN KING PLUMBING SERVICE

S

STRAIGHTLINE BACKFLOW

C

STRATEGIC MECHANICAL INC

C

STREAMLINE FIRE PROTECTION INC

C

STRELIC PLUMBING INC DBA

C

SUMMIT FIRE PROTECTION CO

C

SUMMIT FIRE PROTECTION INC

C

SUN LANDSCAPE INCORPORATED

C

SUNBELT CONTROLS INC

C

SUPERIOR AIR INC

C

SUPERIOR PIPE FABRICATORS

C

SURETY MECHANICAL INC

C

SURETY WELDING SPECIALTIES

S

SUTTLES PLUMBING & MECHANICAL

C

SUTTLES PLUMBING INC

C

SYSTEMS X T INC

C

TRSC INC

C

TAFT PLUMBING COMPANY INC

C

TEICHERT PIPELINES INC

C

THE LIGHTHART CORPORATION

C

THE NAZERIAN GROUP

C

THE NEW GENERATION ENGINEERING

C

THE PLUMBERS CONNECTION INC

C

THERMA LLC

C

THERMAL AIR CONDITIONING INC

C

THERMAL CONCEPTS INC

C

THERMALAIR INC

C

TIER ONE MECHANICAL INC

C

TIGER CONSTRUCTION LLC

C

TITE-N-SPEEDY PLUMBING

S

TOWO ENTERPRISE INC

C

TRANS-VAC SYSTEMS INC

C

TRANSBAY FIRE PROTECTION INC

C

TRANSLOGIC CORPORATION

C

UNDERGROUND CONSTRUCTION INC

C

UNIFIED FIELD SERVICES CORP

C

UNITED RIGGERS & ERECTORS INC

C

UNIVERSAL AIR FLOW

C

UNIVERSAL CONSTRUCTION &

C

UNIVERSAL FIRE PROTECTION INC

C

UNIVERSAL PLANT SERVICES INC

C

UNIVERSITY MECHANICAL

C

UPS INDUSTRIAL SERVICES OF

C

URBAN OASIS BUILDERS

C

VERNE'S PLUMBING INC

C

VOYTKO MECHANICAL INC

C

WA RASIC CONSTRUCTION CO

C

WAGONER AIR CONTROL SERVICES

C

WATKIN & BORTOLUSSI INC

S

WEATHERITE CORPORATION

C

WEBER'S PLUMBING

S

WEST CPM

C

WEST COAST FIRE PROTECTION

C

WEST COAST FIRE STOPPING INC

C

WEST COAST WELDING & PIPING

S

WEST VALLEY CONSTR CO INC

C

WESTCO SERVICE COMPANY

C

WESTERN ALLIED CORP

C

WESTERN GARDENS LANDSCAPING

C

WESTERN STATES FIRE PROTECTION

C

WILCO ENGINEERING INC

C

WINGATE MECHANICAL INC

C

WOLVERINE FIRE PROTECTION INC

C

WORLD MECHANICAL INC

C

XCEL MECHANICAL SYSTEMS INC

C

XL FIRE PROTECTION COMPANY

C

YOUMAN WELDING

S

ZORRO LANDSCAPING INC

C

ZUNIGASCAPES INC

C