Nonprofits in South Dakota

Browse and explore nonprofit organizations in South Dakota

100 organizations
South Dakota is home to 1,234 nonprofit organizations with publicly available IRS Form 990 data. Together, these organizations report a combined annual revenue of $5.5 billion, reflecting the scale and economic impact of the nonprofit sector in South Dakota. The largest nonprofit by revenue is SANFORD GROUP RETURN, reporting $5.7 billion in its most recent Form 990 filing. Use the rankings and directory below to explore nonprofits in South Dakota by revenue, city, or founding year.
Top Nonprofits by Revenue
# Organization Revenue Assets
1 SANFORD GROUP RETURN
EIN: 453791176 · SIOUX FALLS, SD
$5.7B $3.8B
2 Avera McKennan
EIN: 460224743 · Sioux Falls, SD
$1.5B $1.4B
3 Monument Health Rapid City Hospital Inc
EIN: 460319070 · Rapid City, SD
$1.0B $1.4B
4 THE EVANGELICAL LUTHERAN GOOD SAMARITAN SOCIETY
EIN: 450228055 · SIOUX FALLS, SD
$953.3M $1.1B
5 EAST RIVER ELECTRIC POWER COOPERATIVE INC
EIN: 460225402 · MADISON, SD
$356.9M $910.3M
6 AVERA HEALTH PLANS INC
EIN: 460451539 · SIOUX FALLS, SD
$342.3M $94.1M
7 Avera Health
EIN: 460422673 · Sioux Falls, SD
$285.3M $1.7B
8 SANFORD HEALTH FOUNDATION
EIN: 363297853 · SIOUX FALLS, SD
$214.4M $1.3B
9 Monument Health Network Inc
EIN: 460360899 · Rapid City, SD
$210.7M $138.9M
10 PRAIRIE LAKES HEALTH CARE SYSTEM INC
EIN: 460391067 · WATERTOWN, SD
$202.9M $461.7M
11 Avera St Luke's
EIN: 460224598 · Aberdeen, SD
$197.1M $150.1M
12 Sacred Heart Health Services
EIN: 460225483 · Yankton, SD
$148.4M $399.6M
13 THE SIGNATRY CHARITABLE TRUST
EIN: 825070897 · Sioux Falls, SD
$145.4M $340.6M
14 Avera Queen of Peace
EIN: 460224604 · Mitchell, SD
$133.5M $169.8M
15 GREAT PLAINS TRIBAL LEADERS HEALTH
EIN: 460420063 · RAPID CITY, SD
$127.1M $195.5M
16 AUGUSTANA UNIVERSITY ASSOCIATION
EIN: 460224588 · SIOUX FALLS, SD
$123.9M $361.9M
17 Avera St Mary's
EIN: 460230199 · Pierre, SD
$122.1M $98.1M
18 DELTA DENTAL OF SOUTH DAKOTA
EIN: 460309258 · PIERRE, SD
$110.7M $45.1M
19 SIOUX VALLEY SOUTHWESTERN ELECTRIC COOPERATIVE INC
EIN: 460189704 · COLMAN, SD
$106.1M $352.2M
20 SOUTHEASTERN ELECTRIC COOPERATIVE INC
EIN: 460454373 · LENNOX, SD
$87.6M $265.1M
21 Avera at Home
EIN: 460399291 · Sioux Falls, SD
$83.2M $41.5M
22 SOUTH DAKOTA STATE UNIVERSITY FOUNDATION
EIN: 460273801 · BROOKINGS, SD
$73.3M $411.9M
23 CHILDREN'S CARE HOSPITAL AND SCHOOL
EIN: 460233030 · SIOUX FALLS, SD
$73.2M $75.4M
24 SOUTH DAKOTA COMMUNITY FOUNDATION
EIN: 460398115 · Pierre, SD
$69.2M $886.1M
25 RURAL HEALTH CARE INC
EIN: 460396683 · Fort Pierre, SD
$65.9M $29.6M
26 HURON REGIONAL MEDICAL CENTER INC
EIN: 460345312 · HURON, SD
$53.6M $111.9M
27 SIOUX FALLS AREA COMMUNITY FOUNDATION INC
EIN: 311748533 · SIOUX FALLS, SD
$50.6M $390.9M
28 SANFORD-GOOD SAMARITAN COMMUNITY HEALTH
EIN: 371834045 · SIOUX FALLS, SD
$50.0M $42.2M
29 OGLALA LAKOTA COLLEGE
EIN: 237135915 · KYLE, SD
$49.6M $144.2M
30 BLACK HILLS WORKS INC
EIN: 460341382 · RAPID CITY, SD
$49.4M $23.6M
31 LEWIS & CLARK RURAL WATER SYSTEM
EIN: 363755632 · TEA, SD
$49.2M $595.8M
32 WEST RIVER ELECTRIC ASSN INC
EIN: 460204517 · WALL, SD
$49.0M $179.3M
33 SOUTH DAKOTA ACHIEVE
EIN: 237072116 · SIOUX FALLS, SD
$46.6M $30.6M
34 UNIVERSITY OF SIOUX FALLS
EIN: 460224600 · SIOUX FALLS, SD
$41.1M $96.4M
35 CENTRAL ELECTRIC COOPERATIVE INC
EIN: 411955109 · MITCHELL, SD
$39.9M $126.6M
36 Oglala Lakota Housing Authority
EIN: 301386293 · PINE RIDGE, SD
$38.3M $81.5M
37 UNIVERSITY OF SOUTH DAKOTA FOUNDATION
EIN: 466018891 · VERMILLION, SD
$38.2M $367.5M
38 MADISON COMMUNITY HOSPITAL
EIN: 460228038 · MADISON, SD
$38.0M $59.7M
39 MOUNT MARTY UNIVERSITY
EIN: 460283336 · YANKTON, SD
$37.9M $79.2M
40 CHILDREN'S HOME SOCIETY OF SOUTH DAKOTA
EIN: 460224542 · SIOUX FALLS, SD
$36.1M $58.9M
41 HORIZON HEALTH CARE INC
EIN: 460341255 · HOWARD, SD
$34.3M $25.7M
42 Assn of Hutterian Brethren Churches
EIN: 460369923 · Aberdeen, SD
$33.6M $30.5M
43 FALL RIVER HEALTH SERVICES
EIN: 460450523 · HOT SPRINGS, SD
$33.1M $40.8M
44 MARGOT AND TOM PRITZKER FOUNDATION
EIN: 883935630 · SIOUX FALLS, SD
$32.5M $30.8M
45 DAKOTA WESLEYAN UNIVERSITY
EIN: 460224589 · MITCHELL, SD
$32.5M $89.2M
46 FEEDING SOUTH DAKOTA
EIN: 363293534 · SIOUX FALLS, SD
$32.2M $22.9M
47 NORTHERN ELECTRIC COOPERATIVE
EIN: 460151015 · BATH, SD
$31.4M $117.4M
48 PRESBYTERIAN RETIREMENT VILLAGE OF RAPID CITY
EIN: 460354383 · RAPID CITY, SD
$31.1M $158.7M
49 St Benedict Health Center
EIN: 460226738 · Parkston, SD
$30.2M $77.5M
50 OAHE ELECTRIC COOPERATIVE INC
EIN: 460221074 · BLUNT, SD
$30.0M $42.8M
51 MOBRIDGE REGIONAL HOSPITAL
EIN: 460255944 · MOBRIDGE, SD
$30.0M $58.8M
52 SDSM&T CENTER FOR ALUMNI RELATIONS & ADVANCEMENT
EIN: 466011771 · RAPID CITY, SD
$29.3M $176.2M
53 LIFESCAPE FOUNDATION
EIN: 460353254 · SIOUX FALLS, SD
$28.6M $148.4M
54 WINNER REGIONAL HEALTHCARE CENTER
EIN: 460274380 · WINNER, SD
$28.4M $29.0M
55 DAKOTA ENERGY COOPERATIVE INC
EIN: 460434317 · HURON, SD
$28.3M $65.0M
56 MID-DAKOTA RURAL WATER SYSTEM INC
EIN: 363584582 · MILLER, SD
$27.9M $146.3M
57 LITTLE WOUND SCHOOL BOARD INC
EIN: 466040216 · KYLE, SD
$27.5M $26.8M
58 LUTHERAN SOCIAL SERVICES OF SOUTH DAKOTA
EIN: 460224731 · SIOUX FALLS, SD
$27.2M $19.9M
59 DOW RUMMEL VILLAGE
EIN: 460271277 · SIOUX FALLS, SD
$26.2M $71.7M
60 BLACK HILLS ELECTRIC COOPERATIVE INC
EIN: 460111503 · CUSTER, SD
$25.8M $82.4M
61 DAKOTABILITIES INC
EIN: 460306216 · SIOUX FALLS, SD
$22.8M $27.5M
62 PLATTE COMMUNITY MEMORIAL HOSPITAL INC
EIN: 460239781 · PLATTE, SD
$22.7M $40.0M
63 COTEAU DES PRAIRIES HOSPITAL
EIN: 460278210 · SISSETON, SD
$22.2M $21.1M
64 LAKE REGION ELECTRIC ASSOCIATION INC
EIN: 460156581 · WEBSTER, SD
$21.2M $53.7M
65 SOUTH DAKOTA BANKERS BENEFIT PLAN TRUST
EIN: 464332220 · PIERRE, SD
$21.1M $13.1M
66 FREEMAN REGIONAL HEALTH SERVICES
EIN: 460232450 · FREEMAN, SD
$20.4M $23.9M
67 WEB WATER DEVELOPMENT ASSOCIATION INC
EIN: 460352027 · ABERDEEN, SD
$20.2M $239.4M
68 BETHANY LUTHERAN HOME FOR THE AGED INC
EIN: 460233029 · SIOUX FALLS, SD
$19.9M $31.4M
69 PHILIP HEALTH SERVICES INC
EIN: 460361016 · PHILIP, SD
$19.8M $27.6M
70 LEWIS AND CLARK BEHAVIORAL
EIN: 460309601 · YANKTON, SD
$19.2M $40.4M
71 SICANGU OYATE HO INC DBA ST FRANCIS INDIAN SCHOOL
EIN: 237116414 · SAINT FRANCIS, SD
$19.0M $38.6M
72 SOUTHEASTERN BEHAVIORAL HEALTH CARE
EIN: 460232306 · SIOUX FALLS, SD
$18.7M $12.6M
73 WEST CENTRAL ELECTRIC COOPERATIVE
EIN: 460225950 · MURDO, SD
$18.5M $57.3M
74 FEM ELECTRIC ASSOCIATION INC
EIN: 460213171 · IPSWICH, SD
$18.2M $49.4M
75 SIOUX FALLS CHRISTIAN SCHOOLS ASSOCIATION
EIN: 460340024 · SIOUX FALLS, SD
$17.8M $44.2M
76 HURON AREA CENTER FOR INDEPENDENCE
EIN: 460326401 · HURON, SD
$17.6M $18.4M
77 SANFORD
EIN: 271218956 · SIOUX FALLS, SD
$17.4M $667.4M
78 HUMAN SERVICE AGENCY
EIN: 460275247 · WATERTOWN, SD
$17.4M $20.3M
79 INTER-LAKES COMMUNITY ACTION PARTNERSHIP INC
EIN: 460282131 · MADISON, SD
$17.0M $14.8M
80 LACREEK ELECTRIC ASSOCIATION INC
EIN: 460218629 · MARTIN, SD
$16.9M $68.2M
81 CHILDREN'S HOME FOUNDATION
EIN: 460366277 · SIOUX FALLS, SD
$16.7M $179.1M
82 SANFORD UNDERGROUND RESEARCH FACILITY FOUNDATION
EIN: 842556473 · LEAD, SD
$16.6M $15.6M
83 CHERRY TODD ELECTRIC COOPERATIVE INC
EIN: 460252750 · MISSION, SD
$16.6M $55.6M
84 PIONEER MEMORIAL HOSPITAL AND HEALTH SERVICES
EIN: 460260288 · VIBORG, SD
$16.4M $19.8M
85 CODINGTON-CLARK ELECTRIC COOPERATIVE
EIN: 460121065 · WATERTOWN, SD
$16.4M $61.7M
86 Presentation College
EIN: 460280847 · Aberdeen, SD
$16.1M $14.8M
87 F-M AMBULANCE SERVICE INC
EIN: 450344371 · SIOUX FALLS, SD
$16.0M $7.8M
88 ELEVATE RAPID CITY
EIN: 460118545 · RAPID CITY, SD
$15.9M $33.1M
89 RURAL OFFICE OF COMMUNITY SERVICES
EIN: 460365648 · WAGNER, SD
$15.9M $4.3M
90 LIFEQUEST INC
EIN: 460348946 · MITCHELL, SD
$15.7M $10.7M
91 WASHINGTON PAVILION MANAGEMENT INC
EIN: 460435791 · SIOUX FALLS, SD
$15.4M $19.4M
92 YOUTH & FAMILY SERVICES INC
EIN: 466017085 · RAPID CITY, SD
$15.4M $18.9M
93 H-D ELECTRIC COOPERATIVE INC
EIN: 460212565 · CLEAR LAKE, SD
$15.3M $50.3M
94 ST MICHAEL'S HOSPITAL INC
EIN: 460225414 · TYNDALL, SD
$15.0M $25.5M
95 WAGNER COMMUNITY MEMORIAL HOSPITAL
EIN: 460226283 · WAGNER, SD
$14.7M $17.8M
96 CEDAR LAKE VILLAGE INC
EIN: 481209650 · SIOUX FALLS, SD
$14.7M $33.4M
97 Bethesda Home of Aberdeen Inc
EIN: 460367117 · Aberdeen, SD
$14.1M $14.4M
98 BLACK HILLS AREA COMMUNITY FOUNDATION
EIN: 363608635 · RAPID CITY, SD
$13.9M $66.9M
99 GRAND ELECTRIC COOPERATIVE INC
EIN: 460221377 · BISON, SD
$13.8M $67.6M
100 PRIME THE PUMP FUND
EIN: 465683903 · SIOUX FALLS, SD
$13.7M $12.4M
Data from IRS Form 990 filings. Click an organization name to view full details. © 2026 990 Finder by Trantor SpA.