A-H I-P Q-Z
A-300 ANSI consensus performance standards for Pruning, Lightning Protection, Cabling & Bracing, Fertilization
AA Arboriculture Association ( UK )
ACR Accreditation
ACTC Arizona Community Tree Council
AEC Alliance for Environmental Concerns (NJ)
AFP Association of Fundraising Professionals
AHPs Association Health Plans
ALCA Associated Landscape Contractors of America (Now part of PLANET)
ALCC Associated Landscape Contractors of Colorado
ALCM Associated Landscape Contractors of Massachusetts
ALNLA Alabama Nursery & Landscape Association
ANA Arizona Nurserymen’s Association
ANLA American Nursery and Landscape Association
ANSI American National Standards Institute
AP Accounts Payable, Associated Press
APLD Association of Professional Landscape Designers
APS Arizona Public Service
APWA American Public Works Association
AR Accounts Receivable
ASAE American Society of Association Executives
ASCA American Society of Consulting Arborists
ASLA American Society of Landscape Architects
ASSE American Society of Safety Engineers
ATSSA American Traffic Safety Services Association
AZLCA Arizona Landscape Contractors Association
BBB The Council of Better Business Bureaus
BCMA Board Certified Master Arborist (ISA)
BOD Board of Directors
BOMA Building Owners and Managers Association
CA Certified Arborist (ISA)
CAA California Arborists Association
CAE Certified Association Executive
CAI Community Associations Institute
CalOSHA California OSHA
CANGC California Association of Nurseries & Garden Centers
CAPCA California Association of Pest Control Advisors
CaUFC California Urban Forests Council
CDF Contractors Association
CDL Commercial Drivers License
CEU Continuing Education Unit
CFR Code of the Federal Register (regulatory)
CHAE Council of Horticulture Association Executives
CLCA California Landscape Contractors Association
CMP Certified Meeting Professional
CMV Commercial Motor Vehicle (Dept. of Transportation)
CNLA Canadian Nursery Landscape Association
CSP Certified Safety Professional
CTE Certified Tree Expert (NJ Board of Tree Experts)
CTLA Council of Tree & Landscape Appraisers
CTPA Connecticut Tree Preservation Association
CTSP Certified Treecare Safety Professional

DED Dutch Elm Disease
DNR Department of Natural Resources
DOL Department of Labor
DOS Day of Service
DOT Department of Transportation
DVIR Driver Vehicle Inspection Report (FMCSA requirement)
EAB Emerald Ash Borer
EAC European Arboriculture Council
EAC European Arboriculture Conference
EAP Employee Assistance Program (drug-free workplace/workforce)
EEI Edison Electric Institute
EHAP Electrical Hazards Awareness Program
EOBR Electronic On-Board Recorders
EPA Environmental Protection Agency
EU European Union
EXA Excellence in Arboriculture
EXPO TCI EXPO
FERC Federal Energy Regulatory Commission
FEWA The Federation of Employers and Workers of America
FLOSHA Florida OSHA
FMCSA Federal Motor Carrier Safety Administration

GIE Green Industry EXPO
GCSAA Golf Course Superintendents Association of America
GVW or GCVW Gross Vehicle Weight or Gross Combined Vehicle Weight (DOT)
GWAA Garden Writers Association of America
HB House Bill
HOS Hours of Service
HSE Health & Safety Executive (UK's OSHA)
HSI Home Study I
HSII Home Study II
IAA Illinois Arborist Association
IAEM International Association for Exhibition Management
IBEW International Brotherhood of Electrical Workers
ILCA Illinois Landscape Contractors Association
INLA Iowa Nursery & Landscape Association
INLA Idaho Nursery & Landscape Association
IAA Indiana Arborist Association
ISA International Society of Arboriculture
ISARMC ISA Rocky Mountain Chapter
ISA SOUTHERN ISA Southern Chapter
ISAT ISA Texas Chapter
ISO International Standards Organization
IUOTA Inter-Utility Overhead Trainers Association
IVM Integrated Vegetation Management
KAA Kentucky Arborist Association
KAA Kansas Arborist Association
LGMDA Lawn & Garden Marketing and Distribution Association
LO Landscape Ontario Horticultural Trades Association
LTE Licensed Tree Expert (Maryland)
MAA Maryland Arborist Association
MAA Massachusetts Arborist Association
MAC-ISA Mid-Atlantic Chapter of the ISA
MCA Massachusetts Certified Arborist
MCSP Model Company Safety Program
MDDNR Maryland Department of Natural Resources
MEM Membership
MFPA Michigan Forestry & Park Association
MGIA Michigan Green Industry Association
MIFACE Michigan Fatality Assessment Control Evaluation
MIOSH Michigan OSHA
MNLA Michigan Nursery & Landscape Association
MoL Ministry of Labour (Canada's OSHA)
MOSH Massachusetts OSHA
MOU Memorandum of Understanding
MPI Meeting Planners International
MWISA Midwestern Chapter ISA

NADF National Arbor Day Foundation
NASF National Association of State Foresters
NASDA National Association of State Departments of Agriculture
NECISA New England Chapter ISA
NE Grows New England Grows
NCNB National Center for Non-Profit Boards: Now BoardSource
NCOSH North Carolina OSHA
NFIB National Federation of Independent Business
NHAA New Hampshire Arborist Association
NIOSH National Institute of Occupational Safety & Health
NMK New Member Kit
NRECA National Rural Electric Cooperative Association
NRVMA National Roadside Vegetation Management Association
NSC National Safety Council
NUCFAC National Urban and Community Forestry Advisory Council
NYSA New York State Arborists
NYSNLA New York State Nursery & Landscape Association
OAN Oregon Association of Nurseries
ODNR Ohio Department of Natural Resources
OPEI Outdoor Power and Equipment Institute
OPS Operations
OSHA Occupational Safety & Health Administration
OTI OSHA Training Institute
PACT Partners Advancing Commercial Tree Care
PCMA Professional Convention Management Association
PENN-DEL Pennsylvania / Delaware Chapter of ISA
PGMS Professional Grounds Maintenance Society
PHC Plant Health Care
PLCAA Professional Lawn Care Association (now part of PLANET)
PLANET Professional Landcare Network (formerly ALCA & PLCAA)
PNLA Pennsylvania Nursery & Landscape Association
PNW-ISA Pacific-Northwest Chapter ISA
PTCA Professional Tree Care Association of San Diego County
PPDC Pesticide Program Dialogue Committee (EPA work group)
PPE Personal Protective Equipment
PTCA Professional Tree Care Association of San Diego County
RCA Registered Consulting Arborist: a designation by the American Society of Consulting Arborists.
RFP Request for Proposal
SAF Society of American Foresters
SB Senate Bill
SBA Small Business Administration
SBLC Small Business Legislative Council
SBREFA Small Business Regulatory Enforcement Fairness Act
SED Safety & Education (Products & Services)
SCA Society of Commercial Arborists (ISA Federation)
SHARP Safety & Health Achievement Recognition Program (OSHA)
SMA Society of Municipal Arborists (ISA Federation)
SODS Sudden Oak Death Syndrome
SOP Standard Operating Procedure
SOX Sarbannes-Oxley
STARS Safety Training Achieves Remarkable Success (PLANET)
SUFC Sustainable Urban Forests Coalition
TCI TCI Magazine
TCIA Tree Care Industry Association
TCI EXPO Tree Care Industry EXPO
TCIAF Tree Care Industry Association Foundation
TPI Turfgrass Producers International
TREE Fund Tree Research Education Endowment Fund
TXNLA Texas Nursery & Landscape Association
UAA Utility Arborist Association (ISA Federation)
USFS United States Forestry Service
VFT-PAC TCIA’s Voice for Trees Political Action Committee
VGIC Virginia Green Industry Council
VOSH Virginia OSHA
VPP Volunteer Protection Program (OSHA)
WAA Wisconsin Arborist Association
WCISA Western Chapter of ISA
WISHA Washington (State) Industrial Safety & Health Act
WMC Winter Management Conference
WNLA Western Nursery & Landscape Association
Z-133 ANSI consensus safety standard for tree worker safety

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