PTPs Currently Traded on U.S. Exchanges MLP Funds and MLP Indexes (Companies in darker type are NAPTP members; click on a member's name to link to its website)
Natural Resources: Oil and Gas Products
Pipelines and Other Midstream  Operations, Compressing, Refining
Atlas Pipeline Partners, L.P.	AMEX	APL
Atlas Pipeline Holdings, L.P.	AMEX	AHD
Blueknight Energy Partners, L.P.	OTC	BKEP.PK
Boardwalk Pipeline Partners, LP	NYSE	BWP
Buckeye Partners, L.P.	NYSE	BPL
Buckeye GP Holdings, L.P.	NYSE	BGH
Calumet Specialty Products Partners, L.P.	NASDAQ	CLMT
Cheniere Energy Partners, L.P.	AMEX	CQP
Chesapeake Midstream Partners, L.P.	NYSE	CHKM
Copano Energy, L.L.C.	NASDAQ	CPNO
Crosstex Energy, L.P.	NASDAQ	XTEX
DCP Midstream Partners, LP	NYSE	DPM
Duncan Energy Partners L.P.	NYSE	DEP
Eagle Rock Energy Partners, L.P.	NASDAQ	EROC
El Paso Pipeline Partners, L.P.	NYSE	EPB
Enbridge Energy Partners, L.P.	NYSE	EEP
Energy Transfer Partners, L.P.  (also has propane operations)	NYSE	ETP
Energy Transfer Equity, L.P.	NYSE	ETE
Enterprise Products Partners L.P.	NYSE	EPD
Enterprise GP Holdings L.P.	NYSE	EPE
Exterran Partners, L.P.	NASDAQ	EXLP
Genesis Energy, L.P.	AMEX	GEL
Holly Energy Partners, L.P.	NYSE	HEP
Kinder Morgan Energy Partners, L.P.	NYSE	KMP
Magellan Midstream Partners, L.P.	NYSE	MMP
MarkWest Energy Partners, L.P.	AMEX	MWE
Niska Gas Storage Partners LLC	NYSE	NKA
NuStar Energy L.P.	NYSE	NS
NuStar GP Holdings, L.P.	NYSE	NSH
ONEOK Partners, L.P.	NYSE	OKS
PAA Natural Gas Storage, L.P.	NYSE	PNG
Plains All American Pipeline, L.P.	NYSE	PAA
Quicksilver Gas Services LP	NYSE	KGS
Regency Energy Partners LP	NASDAQ	RGNC
Rio Vista Energy Partners, L.P.	OTC	RVEP.PK
Spectra Energy Partners, LP	NYSE	SEP
Sunoco Logistics Partners L.P.	NYSE	SXL
Targa Resources Partners LP	NASDAQ	NGLS
TC PipeLines, LP	NASDAQ	TCLP
TransMontaigne Partners L.P.	NYSE	TLP
Western Gas Partners, LP	NYSE	WES
Williams Partners L.P.	NYSE	WPZ
Williams Pipeline Partners L.P.	NYSE	WMZ
Propane & Heating Oil
AmeriGas Partners L.P	NYSE	APU
Ferrellgas Partners, L.P.	NYSE	FGP
Global Partners LP	NYSE	GLP
Inergy, L.P.	NASDAQ	NRGY
Inergy Holdings, L.P.	NASDAQ	NRGP
Star Gas Partners, L.P.	NYSE	SGU
Suburban Propane Partners, L.P.	NYSE	SPH
Exploration & Production
BreitBurn Energy Partners L.P.	NASDAQ	BBEP
Constellation Energy Partners LLC	NYSE	CEP
Dorchester Minerals, L.P.	NASDAQ	DMLP
Encore Energy Partners LP	NYSE	ENP
EV Energy Partners, L.P.	NASDAQ	EVEP
Legacy Reserves LP	NASDAQ	LGCY
Linn Energy, LLC	NASDAQ	LINE
Pioneer Southwest Energy Partners, L.P.	NYSE	PSE
Vanguard Natural Resources, LLC	NYSE Arca	VNR
Marine Transportation
Capital Product Partners L.P.[1]	NASDAQ GM	CPLP
K-Sea Transportation Partners L.P.	NYSE	KSP
Martin Midstream Partners L.P.	NASDAQ	MMLP
Navios Maritime Partners L.P.[1]	NYSE	NMM
Teekay LNG Partners L.P.	NYSE	TGP
Teekay Offshore Partners L.P.[1]	NYSE	TOO
[1] Organized and headquartered outside the U.S.   Although organized as a partnership, has elected to be taxed as a corporation in the U.S.;  some income will be treated as a dividend, some as return of capital. See the partnership website or SEC filings for further details..
Natural Resources - Coal, Other Minerals, Timber
Alliance Resource Partners, L.P.	NASDAQ	ARLP
Alliance Holdings GP, L.P.	NASDAQ	AHGP
Natural Resource Partners L.P.	NYSE	NRP
Oxford Resource Partners LP	NYSE	OXF
Penn Virginia Resource Partners, L.P.	NYSE	PVR
Penn Virginia GP Holdings, L.P.	NYSE	PVG
Pope Resources	NASDAQ	POPE
Terra Nitrogen Company, L.P.	NYSE	TNH
Real Estate - Properties
New England Realty Associates, L.P.	AMEX	NEN
NTS Realty Holdings, L.P.	AMEX	NLP
W.P. Carey & Co. LLC	NYSE	WPC
Real Estate - Mortgage Securities
American First Tax Exempt Investors	NASDAQ	ATAX
Centerline Holding Company (formerly CharterMac)	OTC	CLNH.OB
Municipal Mortgage and Equity, LLC	OTC	MMAB.PK
Investment / Financial Managerment
Alliance Bernstein Holding L.P.	NYSE	AB
The Blackstone Group L.P.	NYSE	BX
Compass Diversified Holdings	NASDAQ	CODI
Fortress Investment Group LLC	NYSE	FIG
Icahn Enterprises, L.P.	NYSE	IEP
KKR & Co, L.P.	NYSE	KKR
KKR Financial Holdings LLC	NYSE	KFN
Lazard, Ltd.	NYSE	LAZ
Och-Ziff Capital Management Group LLC	NYSE	OZM
Other Businesses
Brookfield Infrastructure Partners	NYSE	BIP
Cedar Fair, L.P.	NYSE	FUN
ML Macadamia Orchards, L.P.	OTCQX	NNUT
StoneMor Partners L.P.	NASDAQ	STON
Commodity Funds
GreenHaven Continuous Commodity Index Fund	NYSEArca	GCC
iShares S&P GSCI Commodity-Indexed Trust	NYSEArca	GSG
iShares Diversified Alternatives Trust	NYSEArca	ALT
PowerShares DB Agriculture Fund	NYSEArca	DBA
PowerShares DB Base Metals Fund	NYSEArca	DBB
PowerShares DB Commodity Index Tracking Fund	NYSEArca	DBC
PowerShares DB Energy Fund	NYSEArca	DBE
PowerShares DB G10 Currency Harvest Fund	NYSEArca	DBB
PowerShares DB Gold Fund	NYSEArca	DGL
PowerShares DB Oil Fund	NYSEArca	DBO
PowerShares DB Precious Metals Fund	NYSEArca	DBP
PowerShares DB Silver Fund	NYSEArca	DBS
PowerShares DB US Dollar Bearish Fund	NYSEArca	UDN
PowerShares DB US Dollar Bullish Fund	NYSEArca	UPP
United States 12 Month Natural Gas Fund, LP	NYSEArca	USL
United States 12 Month Oil Fund, LP	NYSEArca	USL
United States Gasoline Fund, LP	NYSEArca	UGA
United States Heating Oil Fund, LP	NYSEArca	UHN
United States Natural Gas Fund, LP	NYSEArca	UNG
United States Oil Fund, LP	NYSEArca	USO
United States Short Oil Fund	NYSEArca	DNO
Open-End MLP Funds
SteelPath MLP Alpha Fund*	NYSE	MLPAX, MLPOX
SteelPath MLP Income Fund*	NYSE	MLPDX, MLPZX
SteelPath MLP Select 40 Fund*	NYSE	MLPFX, MLPTX
*The first symbol is Class A shares for individuals; the second symbol is Class I shares for institutions.
Closed-End MLP Funds
ClearBridge Energy MLP Fund	NYSE	CEM
Cushing MLP Total Return Fund	NYSE	SRV
Fiduciary/Claymore MLP Opportunity Fund	NYSE	FMO
Fiduciary Energy Income and Growth Fund	AMEX	FEN
Kayne Anderson Energy Development Company	NYSE	KED
Kayne Anderson Energy Total Return Fund	NYSE	KYE
Kayne Anderson MLP Investment Company	NYSE	KYN
Tortoise Capital Resources Corp.	NYSE	TTO
Tortoise Energy Capital Corp.	NYSE	TYY
Tortoise Energy Infrastructure Corp.	NYSE	TYG
Tortoise North American Energy Corp.	NYSE	TYN
MLP Exchange-Traded Funds
J.P. Morgan - Alerian MLP Index ETN	NYSEArca	AMJ
Credit Suisse Group Index ETN	NYSEArca	MLPN
E-TRACS UBS Alerian MLP Infrastructure ETN	NYSEArca	MLPI
E-TRACS 2x Leveraged Long Alerian MLP Infrastructure Index ETN	NYSEArca	MLPL
MLP Indexes
Alerian MLP Index	NYSE	AMZ (Price Return) AMZX (Total Return)
Alerian MLP Infrastructure Index	NYSE	AMZI (Price Return) AMZIX (Total Return)
Alerian Large Cap Index	NYSE	ALCI (Price Return) ACLIX (Total Return)
Alerian E&P Index	NYSE	AEPI (Price Return) AEPIX (Total Return)
Citigroup ® MLP Index		CITIMLP (Price Return) CITIMLPT (Total Return)
Cushing® 30 MLP Index		MLPX (Price Return) MLPXTR (Total Return)
Tortoise MLP Index		TMLP (Price Return)TMLPT (Total Return)
Wells Fargo Securities, LLC MLP Index		WLMP (Price Return) WMLPT (Total Return)