CTBUH Silver Member

AMSYSCO

About

Member Since: 2014

Member Offices: Chicago

Website: http://www.amsyscoinc.com

Since 1981, AMSYSCO has supplied and engineered post‐tensioned concrete reinforcement for large general and concrete contractors. AMSYSCO is one of the largest suppliers of unbonded post‐tensioning of high‐rise towers in the United States.

Their core philosophy is satisfying their construction customers need for outstanding engineering services and product quality. Their manufacturing plant is certified by the Post‐Tensioning Institute in order to satisfy the specification by structural and architects.

AMSYSCO believes that developers and owners of high‐rise buildings will benefit from the use of unbonded posttensioned concrete. It can allow for thinner floors, reduced building weights, improved seismic behavior, better real estate operational metrics and lower HVAC/energy costs.

Fields of Expertise

Engineering, Other; Materials / Products / Systems Supplier

Buildings

Please note that all heights shown in italics/red are estimated heights. These have been calculated based on known floor counts for the building, then extrapolated through analyzing typically hundreds of buildings of the same function on this database that do have confirmed heights. The user should be aware that non-standard building features, such as significant spires or raised entrances / podiums, may affect the accuracy of these estimations.

Rank
Name
Status

Completed

Architecturally Topped Out

Structurally Topped Out

Under Construction

On Hold

Proposed

Vision

Never Completed

Demolished

Competition Entry

Canceled

Proposed Renovation

Under Renovation

Renovated

Under Demolition

Height

1

50 Hudson Yards

299 m / 981 ft

2

One Chicago - 14 West Superior

295.8 m / 971 ft

3

NEMA Chicago

273.1 m / 896 ft

4

Aqua at Lakeshore East

261.8 m / 859 ft

5

Salesforce Tower

254.6 m / 835 ft

6

1000M

245.4 m / 805 ft

7

55 Hudson Yards

237.4 m / 779 ft

8

Mutual of Omaha Headquarters

206.4 m / 677 ft

9

340 on the Park

204.9 m / 672 ft

10

Wolf Point East Tower

203.5 m / 668 ft

Awards

The David Rubenstein Forum

Winner: The David Rubenstein Forum

Best Tall Building Worldwide 2022

Ctbuh Leaders

Neel Khosa

Neel Khosa

CTBUH Skyscraper Center Editorial Board, 2022 – Present

Chicago

Please note that all heights shown in italics/red are estimated heights. These have been calculated based on known floor counts for the building, then extrapolated through analyzing typically hundreds of buildings of the same function on this database that do have confirmed heights. The user should be aware that non-standard building features, such as significant spires or raised entrances / podiums, may affect the accuracy of these estimations.

Rank
Name
City
Height

1

50 Hudson Yards

New York City

299 m

981 ft

2

One Chicago - 14 West Superior

Chicago

296 m

971 ft

3

NEMA Chicago

Chicago

273 m

896 ft

4

Aqua at Lakeshore East

Chicago

262 m

859 ft

5

Salesforce Tower

Chicago

255 m

835 ft

6

1000M

Chicago

245 m

805 ft

7

55 Hudson Yards

New York City

237 m

779 ft

8

Mutual of Omaha Headquarters

Omaha

206 m

677 ft

9

340 on the Park

Chicago

205 m

672 ft

10

Wolf Point East Tower

Chicago

204 m

668 ft

11

One Kansas City Place

Kansas City

190 m

623 ft

12

OneEleven

Chicago

187 m

613 ft

13

Millennium Centre

Chicago

186 m

610 ft

14

Essex on the Park

Chicago

185 m

607 ft

15

The Grant

Chicago

181 m

595 ft

16

Optima Signature

Chicago

179 m

587 ft

17

North Pier Apartments

Chicago

177 m

581 ft

18

Ritz-Carlton New York NoMad

New York City

177 m

580 ft

19

23 West Chicago Avenue

Chicago

175 m

574 ft

20

Loews Chicago Hotel

Chicago

173 m

569 ft

21

Cirrus

Chicago

171 m

562 ft

22

Streeter Place

Chicago

169 m

554 ft

23

Eleven

Minneapolis

167 m

547 ft

24

Park Millennium

Chicago

166 m

544 ft

25

The Pinnacle

Chicago

163 m

535 ft

26

465 North Park

Chicago

160 m

525 ft

27

RBC Gateway

Minneapolis

158 m

519 ft

28

300 NMA

Chicago

158 m

517 ft

29

401 East Ontario Street

Chicago

157 m

515 ft

30

The Streeter

Chicago

157 m

514 ft

31

Parkview West

Chicago

152 m

498 ft

32

Ameriprise Financial Center

Minneapolis

152 m

498 ft

33

500 North Lake Shore Drive

Chicago

152 m

497 ft

34

727 West Madison

Chicago

151 m

496 ft

35

164 North Peoria Street

Chicago

151 m

495 ft

36

No. 9 Walton

Chicago

151 m

494 ft

37

235 West Van Buren

Chicago

149 m

490 ft

38

Wolf Point West

Chicago

148 m

485 ft

39

73 East Lake

Chicago

146 m

477 ft

40

The Carlyle

Minneapolis

143 m

469 ft

41

Coast at Lakeshore East

Chicago

142 m

467 ft

42

600 North Fairbanks

Chicago

140 m

458 ft

43

Prime

Nashville

139 m

456 ft

44

Hubbard Place

Chicago

137 m

449 ft

45

369 West Grand Avenue

Chicago

137 m

449 ft

46

The Reed

Chicago

136 m

447 ft

47

Tower Three Old Town Park

Chicago

136 m

445 ft

48

Marriott Marquis Chicago

Chicago

135 m

444 ft

49

Optima Chicago Center

Chicago

135 m

443 ft

50

Marquee

Chicago

133 m

436 ft

51

225 West Wacker

Chicago

132 m

433 ft

52

Shirley Ryan AbilityLab

Chicago

132 m

431 ft

53

The Gallery On Wells

Chicago

131 m

430 ft

54

Milwaukee Center

Milwaukee

130 m

426 ft

55

Oakbrook Terrace Tower

Oakbrook Terrace

127 m

418 ft

56

Alcove

Nashville

127 m

416 ft

57

Chemed Center

Cincinnati

125 m

410 ft

58

The Plaza in Clayton Residential Tower

Clayton

125 m

408 ft

59

Lake Shore Plaza

Chicago

124 m

405 ft

60

Cascade

Chicago

123 m

403 ft

61

The Lex

Chicago

118 m

388 ft

62

7Seventy7

Milwaukee

118 m

387 ft

63

The Fairbanks at Cityfront Plaza

Chicago

118 m

387 ft

64

354 North Union Street

Chicago

116 m

381 ft

65

100 Above The Park

St. Louis

116 m

381 ft

66

1112 West Carroll Avenue

Chicago

116 m

380 ft

67

212 South Meramec

Clayton

116 m

380 ft

68

JW Marriott Indianapolis Downtown

Indianapolis

115 m

376 ft

69

LPM Apartments

Minneapolis

114 m

374 ft

70

Arkadia Tower

Chicago

112 m

369 ft

71

The Merchant Building

Columbus

112 m

368 ft

72

1720 South Michigan

Chicago

112 m

368 ft

73

The Admiral at the Lake

Chicago

112 m

368 ft

74

K2 at K Station

Chicago

112 m

366 ft

75

The Chicagoan

Chicago

110 m

362 ft

76

Walton on the Park

Chicago

110 m

360 ft

77

1600 Museum Park

Chicago

109 m

357 ft

78

Exhibit on Superior

Chicago

109 m

357 ft

79

Cassidy on Canal

Chicago

108 m

355 ft

80

Aurélien

Chicago

106 m

349 ft

81

LINEA

Chicago

106 m

348 ft

82

The Moderne

Milwaukee

106 m

348 ft

83

333 North Water Street

Milwaukee

106 m

347 ft

84

Tower One Old Town Park

Chicago

105 m

344 ft

85

Three PNC Plaza

Pittsburgh

105 m

344 ft

86

Broadway Plaza

Rochester, MN

104 m

342 ft

87

160 North Morgan

Chicago

103 m

338 ft

88

Beacon

Cleveland

103 m

338 ft

89

Loop Transportation Center

Chicago

102 m

336 ft

90

One Cardinal Way

St. Louis

102 m

334 ft

91

365 Nicollet

Minneapolis

102 m

334 ft

92

Park East Tower

St. Louis

101 m

330 ft

93

222 2nd Avenue South

Nashville

99 m

326 ft

94

The Cooper

Chicago

98 m

321 ft

95

1400 South Wabash

Chicago

96 m

316 ft

96

Imprint

Chicago

96 m

315 ft

97

777 South State

Chicago

95 m

312 ft

98

550 St. Clair

Chicago

95 m

312 ft

99

4Marq

Minneapolis

95 m

312 ft

100

Hilton Homewood Suites and Wabash Suites Hotel

Chicago

95 m

310 ft

101

EnV

Chicago

94 m

308 ft

102

Landmark West Loop

Chicago

94 m

308 ft

103

878 North Wells

Chicago

93 m

305 ft

104

1225 West Fulton Market

Chicago

93 m

303 ft

105

Eleven40

Chicago

92 m

303 ft

106

Three Light Tower

Kansas City

92 m

301 ft

107

4 East Elm Street

Chicago

92 m

300 ft

108

The Expo

Minneapolis

91 m

300 ft

109

800 West Fulton Market

Chicago

91 m

300 ft

110

One Light

Kansas City

91 m

300 ft

111

NEXT

Chicago

91 m

299 ft

112

River North Marriott Suites

Chicago

91 m

298 ft

113

1475 North Kingsbury

Chicago

91 m

297 ft

114

Broadway at Center

Rochester, MN

90 m

296 ft

115

Grant Park Tower

Minneapolis

90 m

294 ft

116

Parkline

Chicago

89 m

293 ft

117

Fulbrix

Chicago

89 m

293 ft

118

3Eleven

Chicago

89 m

293 ft

119

8 East Huron

Chicago

89 m

293 ft

120

Rafter

Minneapolis

89 m

292 ft

121

One Triple Three

Chicago

88 m

289 ft

122

Nic on Fifth

Minneapolis

88 m

289 ft

123

Four Seasons Hotel St. Louis

St. Louis

88 m

289 ft

124

Solstice on the Park

Chicago

87 m

286 ft

125

Eight Eleven Uptown

Chicago

87 m

285 ft

126

Ascent

Milwaukee

87 m

284 ft

127

Fourth & Park

Minneapolis

86 m

281 ft

128

Blue Chip Casino Spa Blu Tower

Michigan City

85 m

280 ft

129

Kansas City Convention Center Loews

Kansas City

85 m

279 ft

130

Four Winds Casino and Hotel Phase 2

South Bend

85 m

278 ft

131

Sherman Plaza

Evanston

84 m

276 ft

132

Parq Fulton

Chicago

84 m

274 ft

133

Two Light

Kansas City

83 m

272 ft

134

Jones

Chicago

83 m

272 ft

135

Prairie Pointe

Chicago

83 m

271 ft

136

Avenir

Chicago

81 m

266 ft

137

Aspire

Chicago

81 m

265 ft

138

Potawatomi Hotel & Casino

Milwaukee

80 m

264 ft

139

The Hudson

Chicago

80 m

262 ft

140

Hubbard 221

Chicago

80 m

262 ft

141

Hermitage on Huron

Chicago

80 m

261 ft

142

410 South Wabash

Chicago

80 m

261 ft

143

SixForty North Wells

Chicago

79 m

260 ft

144

Hilton Garden Inn Chicago Downtown/Magnificent Mile

Chicago

79 m

260 ft

145

West77 Apartments

Chicago

79 m

259 ft

146

Hilton Garden Inn Chicago North Loop

Chicago

77 m

254 ft

147

Lied Place Residences

Lincoln (NE)

77 m

254 ft

148

Hampton Inn / Homewood Suites Chicago Downtown West Loop

Chicago

77 m

252 ft

149

123 East Cermak

Chicago

76 m

248 ft

150

Landmark on the Lake

Milwaukee

76 m

248 ft

151

O2

Minneapolis

75 m

247 ft

152

Hotel EMC2

Chicago

75 m

246 ft

153

Damen Tower

Chicago

75 m

246 ft

154

270 Hennepin

Minneapolis

75 m

245 ft

155

808 North Cleveland Avenue

Chicago

74 m

243 ft

156

Fulton Labs at 400 North Aberdeen

Chicago

74 m

242 ft

157

741 North Wells

Chicago

73 m

239 ft

158

166 North Aberdeen

Chicago

71 m

234 ft

159

Fargo Block 9

Fargo

71 m

234 ft

160

311 West Huron Street

Chicago

69 m

226 ft

161

1101 West Van Buren Street

Chicago

69 m

226 ft

162

Vantage Oak Park

Oak Park

68 m

223 ft

163

Avra

Chicago

68 m

222 ft

164

Renelle on the River

Chicago

67 m

221 ft

165

626 South Wabash

Chicago

67 m

219 ft

166

1221 West Washington

Chicago

66 m

218 ft

167

210 North Aberdeen Street

Chicago

66 m

217 ft

168

Nord Haus

Minneapolis

66 m

216 ft

169

University Center

Chicago

66 m

215 ft

170

Lincoln Common Tower 1

Chicago

65 m

214 ft

170

Lincoln Common Tower 2

Chicago

65 m

214 ft

172

Niche 905

Chicago

65 m

213 ft

173

Viceroy Chicago

Chicago

65 m

212 ft

174

Hyatt Place Chicago Downtown

Chicago

64 m

211 ft

175

616 East Washington Street

Ann Arbor

64 m

209 ft

176

Vue20 Condominium

Chicago

61 m

200 ft

177

One Oak Brook Commons

Oak Brook

61 m

199 ft

178

Ronald McDonald House

Chicago

60 m

198 ft

179

Albion Oak Park

Oak Park

60 m

197 ft

180

Sage West Loop

Chicago

60 m

196 ft

181

Aloft Chicago Magnificent Mile

Chicago

59 m

194 ft

182

Union West Tower 1

Chicago

59 m

193 ft

183

R+D 659

Chicago

58 m

191 ft

184

Fulton Labs at 1375 West Fulton Market

Chicago

58 m

190 ft

185

Aloft Chicago City Center, Fairfield Inn River North, Hyatt Place River North

Chicago

58 m

190 ft

186

Spoke South Building

Chicago

57 m

188 ft

187

Renaissance Schaumburg Hotel

Schaumburg

57 m

187 ft

188

Four50

Chicago

57 m

187 ft

189

Avidor Evanston

Evanston

57 m

187 ft

190

Bush Temple Tower

Chicago

57 m

186 ft

191

Embry

Chicago

57 m

186 ft

192

Union West Tower 2

Chicago

57 m

186 ft

193

320 North Sangamon Street

Chicago

55 m

181 ft

194

Fulton East

Chicago

54 m

176 ft

195

1411 South Michigan Avenue

Chicago

53 m

173 ft

196

The David Rubenstein Forum

Chicago

52 m

171 ft

197

Rise at Chauncey

West Lafayette

51 m

167 ft

198

THREE FOUR FIVE

Chicago

48 m

158 ft

199

Margaux

Chicago

48 m

157 ft

200

Baker's Place

Madison (WI)

47 m

156 ft

201

ALLY

Chicago

44 m

144 ft