Business Partners to Date

AB Energy USA, LLC
Exhibit #20

Adams Valves
Exhibit #68

Advanced Thermal Systems, Inc
Exhibit #76A

Advisian
Exhibit #14

AECOM
Exhibit #15

Aegis Energy Services
Exhibit #115

AIC Heat Exchangers
Exhibit #67

Alberici/Flintco
Exhibit #116

Ameresco
Exhibit #124

Armstrong International
Exhibit #43

Aspen Aerogel
Exhibit #71

Baker Hughes GE
Exhibit #111

Baltimore Aircoil Company
Exhibit #25

Boehmer/Armour Valve
Exhibit #35

BOND
Exhibit #90

Broad Air Conditioning
Exhibit #28A

BRUGG Pipesystems/Armour Valve
Exhibit #36

Burns & McDonnell
Exhibit #89

Burns Engineering
Exhibit #117

Caldwell
Exhibit #34

Carrier Corporation
Exhibit #74

Cetetherm AB
Exhibit #16

CHA Consulting
Exhibit #9

Chem-Aqua, Inc.
Exhibit #57

ChemTreat, Inc.
Exhibit #62

CIRCOR International
Exhibit #21

Cleaver Brooks
Exhibit #79

Combustion & Energy Systems Ltd.
Exhibit #28

Composite Cooling Solutions L.P.
Exhibit #91

Cooney Technologies
Exhibit #61

Detroit Stoker Company
Exhibit #5

DN Tanks
Exhibit #60

Eaton
Exhibit #39

ElectroCell Systems
Exhibit #123

Electro Industries/GaugeTech
Exhibit #127

Ellenzweig
Exhibit #107

Elliott Group
Exhibit #102 & 103

Emerson
Exhibit #104

ENGIE
Exhibit #64

EVAPCO
Exhibit #106

Flexim Americas Corporation
Exhibit #10

Flow Control Industries, Inc.
Exhibit #59

FNX - Enerpro
Exhibit #22

Frank Lill & Son, Inc.
Exhibit #110

GF Urecon Ltd
Exhibit #23

GI Energy.
Exhibit #114

Gilsulate International, Inc.
Exhibit #105

Global Laboratory for Energy Asset Management & Manufacturing (GLEAMM) of Texas Tech University
Exhibit #129

G.S. Dunham LLC
Exhibit #1

G&W Electric
Exhibit #6

Hamon Deltak
Exhibit #76

HanAra Software
Exhibit #52

Homeyer Consulting Services, Inc.
Exhibit #31

Howden
Exhibit #87a

Indeck Power Equipment Co.
Exhibit #30

Industrial Resources
Exhibit #7

Innovas Technologies
Exhibit #94

Insuguard by Armacell
Exhibit #121

Interphase Materials
Exhibit #55A

ISCO
Exhibit #41

isoplus Piping Systems
Exhibit #101

Jacobs
Exhibit #65

Johns Manville
Exhibit #17

Johnson Controls, Inc.
Exhibit #58

Kessler Ellis Products
Exhibit #88

Kiltech Inc.
Exhibit #124A

Kinect Energy Group
Exhibit #100

Kinsley Energy Systems
Exhibit #113

Klaus Union, Inc./V-AXX
Exhibit #11

Lee Supply
Exhibit #

Magnus Chemicals Ltd.
Exhibit #3

Martin Energy Group
Exhibit #

MasTec Power Corp.
Exhibit #29

Maxi-Therm
Exhibit #87

McCrometer Inc.
Exhibit #75

McDermott
Exhibit #86

MEP Associates, LLC
Exhibit #40

Metraflex
Exhibit #8

MTU Onsite Energy
Exhibit #92

Nalco Water, An Ecolab Company
Exhibit #45

Nationwide Boiler Inc.
Exhibit #95

Northeast/Western Energy Systems
Exhibit #70A

ONICON Incorporated
Exhibit #70

Optimum Energy
Exhibit #63

OSIsoft LLC
Exhibit #125

Owens Corning FOAMGLAS
Exhibit #33

Paso Robles Tank, Inc
Exhibit #12

Performance Pipe, A Division of Chevron Phillips Chemical Company LP
Exhibit #108

Perma-Pipe, Inc.
Exhibit #48

Pex-Industrial
Exhibit #93

POWER Engineers
Exhibit #97

Powerhouse Equipment
Exhibit #37

Preferred Utilities
Exhibit #32

Preload, LLC
Exhibit #49

Prime Controls
Exhibit #120

PurgeRite
Exhibit #130

Quadax Valves, Inc.
Exhibit #24

Reliability Efficiency & Optimization LLC
Exhibit #78

Rentech Boiler Systems, Inc.
Exhibit #44

RMF Engineering, Inc.
Exhibit #27

Rovanco Piping Systems
Exhibit #83 & 84

RoviSys
Exhibit #80

S&C Electric Company
Exhibit #98

Schneider Electric
Exhibit #2

Schubert & Salzer, Inc.
Exhibit #18

Schweitzer Engineering Laboratories
Exhibit #119

Shannon Enterprises
Exhibit #96

Siemens
Exhibit #54 & 55

Simoneau
Exhibit #69

Smith Engineering
Exhibit #126

Solar Turbines Incorporated
Exhibit #72 & 73

Spirotherm, Inc.
Exhibit #77

SPX Flow Technology.
Exhibit #44A

SSS Clutch Company, Inc.
Exhibit #85

Steam Distribution and Power Consulting Services
Exhibit #66

Stone & Webster, A Westinghouse Electric Company
Exhibit #38a

Suez Water Technologies
Exhibit #81

Superior Boiler
Exhibit #51

SWEP North America, Inc.
Exhibit #47

Thermacor Process Inc.
Exhibit #38

Thermo Systems LLC
Exhibit #50

Toshiba International Corporation
Exhibit #13

Tower Engineering, Inc.
Exhibit #122

Trane
Exhibit #42

Tricon Piping Systems, Inc.
Exhibit #53

TRIFLOW Corporation
Exhibit #109

U.S. Water
Exhibit #26

UECompression
Exhibit #118

utiliVisor
Exhibit #19

VARI-TECH LLC
Exhibit #4

Victaulic
Exhibit #56

Victory Energy
Exhibit #46

WARE
Exhibit #128

Watson McDaniel Company
Exhibit #99

Zeeco, Inc.
Exhibit #112

Zwick Valves N.A.
Exhibit #82