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Shopping and Specialty Retail

Riddle's Jewelry

Member Since: 1993
2200 N. Maple Ave. Unit 321
Rapid City, SD 57701 ( Map )
https://www.riddlesjewelry.com/
(605) 342-8406
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Communications

Riverfront Broadcasting

Member Since: 1993
2827 E. Colorado Blvd
Spearfish, SD 57783 ( Map )
(605) 342-2000
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Health Care

Buffalo Plains Recovery

Member Since: 2025
405 E. Fairlane Drive
Rapid City, SD 57701 ( Map )
www.buffaloplainsrecovery.com
605-510-9045
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Family, Community and Non-Profit

Ronald McDonald House Charities of South Dakota

Member Since: 2012
3140 Elm Ave
Rapid City, SD 57701 ( Map )
www.rmhcsodak.org
(605) 336-6398
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Advertising and Media

Rosenbaum's Signs

Member Since: 1993
1650 Samco Rd.
Rapid City, SD 57702 ( Map )
http://www.rosenbaumsigns.com
(605) 342-0481
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Family, Community and Non-Profit

Rural America Initiatives

Member Since: 2023
212 S. Valley Dr.
Rapid City, SD 57703 ( Map )
https://ruralamericainitiatives.org/
605-341-3339
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Health Care

Rushmore Dental - Tim Kelly MS DDS

Member Since: 2017
1600 Mountain View #104
Rapid City, SD 57702 ( Map )
www.rushmoredental.com
(605) 593-0037
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Public Utilities and Environment

Rushmore Electric Power Co-op

Member Since: 1993
1715 Cambell St.
Rapid City, SD 57701 ( Map )
http://www.rushelec.com
(605) 342-4759
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Shopping and Specialty Retail

Sand Scripts

Member Since: 2011
410 Maple Ave.
Rapid City, SD 57701 ( Map )
https://www.sandscriptsusa.com/
(605) 716-7263
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Real Estate and Construction

Sands Wall Systems Inc.

Member Since: 2010
12168 Siouxland Rd.
Summerset, SD 57718 ( Map )
https://www.sandswallsystems.com/
(605) 787-6485
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Health Care

Sanford Health

Member Since: 2019
1305 W. 18th St.
Sioux Falls, SD 57117 ( Map )
http://sanfordhealth.org
(605) 333-1000
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Health Care

Black Hills Orthopedic & Spine Center, P.C.

Member Since: 1997
7220 Mt. Rushmore Rd.
Rapid City, SD 57702 ( Map )
www.bhosc.com
(605) 341-1414
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Shopping and Specialty Retail

Scheels All Sports

Member Since: 1993
1225 Eglin St
Rapid City, SD 57701 ( Map )
www.scheels.com
(605) 342-9033
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Real Estate and Construction

Scull Construction Service

Member Since: 1993
803 Industrial Ave.
Rapid City, SD 57702 ( Map )
http://www.scullconstruction.com
(605) 342-2379
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Family, Community and Non-Profit

SD Mines Center for Alumni Relations and Advancement

Member Since: 1993
330 E. Kansas City St.
Rapid City, SD 57701 ( Map )
http://www.cara.sdsmt.edu
(605) 394-2436
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Communications

SDN Communications

Member Since: 1999
1089 Rand Rd
Rapid City, SD 57702 ( Map )
http://www.sdncommunications.com
(800) 247-1442
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Computers, IT and Technology

SEAM (Secure Enterprise Asset Management, inc.)

Member Since: 2025
3101 N. 1st Ave.
Sioux Falls, SD 57104 ( Map )
seamservices.com
605-274-7326
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Real Estate and Construction

SECO Construction, Inc.

Member Since: 1993
3305 Craig St.
Rapid City, SD 57701 ( Map )
www.secoconstruction.com
(605) 348-7085
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Finance and Insurance

Security First Bank

Member Since: 1998
805 5th St.
Rapid City, SD 57701 ( Map )
https://www.security1stbank.com
(605) 399-2740
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Finance and Insurance

Sentinel Federal Credit Union

Member Since: 1993
1430 Haines Ave., Ste. 101
Rapid City, SD 57701 ( Map )
http://www.sentinelfcu.org
(605) 923-1405
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Family, Community and Non-Profit

Sergeant Colton Levi Derr Foundation

Member Since: 2015
518 6th Street Ste 2
Rapid City, SD 57701 ( Map )
http://www.sergeantderrfoundation.org
(605) 545-2505
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Business and Professional Services

Servall Uniform & Linen Supply

Member Since: 1993
312 Main St.
Rapid City, SD 57701 ( Map )
www.servall.net
(605) 343-0680
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Family, Community and Non-Profit

SERVPRO of Rapid City & Spearfish

Member Since: 2016
2830 W. Omaha St.
Rapid City, SD 57702 ( Map )
http://www.servprorapidcity.com
(605) 388-3000
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Non-Profit

Seventh Circuit CASA Program

Member Since: 2026
1605 Evergreen Dr
Rapid City, SD 57702 ( Map )
https://www.casaofrapidcity.org/
605-394-2203
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Construction

Sever Construction Dakotas

Member Since: 2025
916 Main St STE 101
Rapid City, SD 57701 ( Map )
https://severdakotas.com/
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Shopping and Specialty Retail

Shops at Main Street Square

Member Since: 2013
512 Main St.
Rapid City, SD 57701 ( Map )
http://www.shopsatmainstreetsquare.com
(605) 341-4525
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Real Estate and Construction

Simon

Member Since: 1999
3975 Sturgis Rd.
Rapid City, SD 57702 ( Map )
www.simonteam.com
(605) 394-3300
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Real Estate and Construction

Simpson & Associates, Real Property Appraisers and Consultants

Member Since: 1993
PO Box 9248
Rapid City, SD 57709 ( Map )
www.simpsonappraisers.com
(605) 341-3800
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Advertising and Media

Simpsons Printing

Member Since: 1993
2410 S. Plaza Dr.
Rapid City, SD 57702 ( Map )
http://www.simpsonsprinting.com
(605) 342-0979
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Business and Professional Services

Skyline Engineering, LLC

Member Since: 2002
615 12th St.
Rapid City, SD 57701 ( Map )
www.skylineltd.com
(605) 737-3800
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